CN201561806U - Power transmission line conducting wire joint temperature monitoring device - Google Patents
Power transmission line conducting wire joint temperature monitoring device Download PDFInfo
- Publication number
- CN201561806U CN201561806U CN200920212856XU CN200920212856U CN201561806U CN 201561806 U CN201561806 U CN 201561806U CN 200920212856X U CN200920212856X U CN 200920212856XU CN 200920212856 U CN200920212856 U CN 200920212856U CN 201561806 U CN201561806 U CN 201561806U
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- transmission line
- temperature monitoring
- monitoring device
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- wire joint
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Abstract
The utility model discloses a power transmission line conducting wire joint temperature monitoring device based on the wireless transmission technology. The power transmission line conducting wire joint temperature monitoring device comprises a box body used for loading the power transmission line conducting wire joint temperature monitoring device. A current transformer, a current transforming holding area, a signal processing and wireless transmitter and a signal processing and wireless transmitter holding area are arranged inside the box body, wherein the current transformer is coupled with a power transmission line conducting wire and used for extracting energy in an induction form and acquiring signals from the power transmission line conducting wire, the current transformer holding area is loaded with the current transformer, the signal processing and wireless transmitter is coupled with the current transformer and used for processing the signals and wirelessly transmitting processed results, and the signal processing and wireless transmitter holding area is loaded with the signal processing and wireless transmitter. The box body is detachable and is divided into an upper box and a lower box at the position of the current transformer holding area. Fewer data acquisition points can be set and temperature of a power transmission line conducting wire joint can be monitored accurately by aid of the power transmission line conducting wire joint temperature monitoring device. In addition, the power transmission line conducting wire joint temperature monitoring device is low in power consumption and low in cost.
Description
Technical Field
The utility model relates to a device in transmission line on-line monitoring field, in particular to transmission line wire connects temperature-measuring device based on zigBee technique.
Background
In high-voltage transmission and distribution lines, the connection at the wire joint generally adopts a compression joint pipe, a parallel groove clamp, an equipment clamp and the like. Under the conditions of long-term continuous load and repeated short-time load, the temperature of the wire joint rises, but the maximum temperature rise is not allowed to exceed the specified allowable temperature, otherwise, the joint is oxidized and overheated, so that the contact resistance is increased, the temperature of the joint is overhigh, the loss is increased, if the phenomenon cannot be found and treated as soon as possible, even power failure or fire accidents can be caused, and great loss is caused to the industrial and agricultural production.
At present, the detection of the temperature of the power transmission line joint by a power company mainly stays on the regular detection, and an infrared measuring instrument is mainly adopted for long-distance observation. The method needs a large amount of manpower, judges the monitored target blindly, and is easy to be interfered by the site environment. In view of various defects of periodic detection, some domestic manufacturers try to directly measure the temperature data of each joint by using a wire temperature measuring device and transmit the data through a remote wireless network, and the method has high accuracy, but the cost is too high because the data of each joint is transmitted through the remote wireless network independently. The technology of collecting the temperature data of the wire by integrating the optical fiber into the wire can accurately master the temperature change curve of the wire, but the implementation cost is high, and the large-scale and large-cost transformation of the power grid cannot be carried out in a short period of time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an accurate monitoring transmission line wire connects temperature and low power dissipation, with low costs transmission line wire connects temperature monitoring devices.
In order to solve the technical problem, the utility model discloses a transmission line wire connects temperature monitoring devices includes and is used for loading transmission line wire connects temperature monitoring devices's box body, in installed in the box body: a current transformer coupled to the transmission line conductor for collecting signals from the transmission line conductor and inductively extracting power from the transmission line; a current transformer accommodation area loaded with the current transformer; the signal processing and wireless transmitter is coupled with the current transformer and used for processing the signal and wirelessly transmitting the processing result; the signal processing and wireless transmitter accommodating area is loaded with the signal processing and wireless transmitter; the box body is detachable, and the box body is divided into an upper box and a lower box which are connected in a sliding manner at the accommodating area of the current transformer.
As a preferred embodiment of the present invention, a wire passing hole is installed between the upper box and the lower box to form a wire accommodating area.
As an optimized scheme of the utility model, the size of the wire via hole in wire holding district is unanimous with the size of wire.
As a preferred scheme of the utility model, signal processing and wireless transmitter holding district is located in the box down, in the box bottom portion is installed the detachable apron and is used for sealing install in signal processing and the wireless transmitter in wireless transmitter holding district.
As an optimal scheme of the utility model, in the apron facial make-up is equipped with wireless transmission antenna via hole formation wireless transmission antenna holding district.
As an optimized scheme of the present invention, a fixed rotating shaft is installed at a slidable connection between the upper box and the lower box for connecting the upper box and the lower box and making the upper box and the lower box rotate around the fixed rotating shaft.
As a preferred embodiment of the present invention, a spring leaf capable of being opened and closed is further installed at the slidable connection between the upper case and the lower case to clamp the upper case and the lower case, one end of the spring leaf is fixed to the lower case, and the other end of the spring leaf is clamped to the upper case.
As an optimized scheme of the utility model, the reed passes through gasket, bullet pad and screw fixation in lower box.
As a preferred embodiment of the present invention, a sealing gasket is disposed between the cover plate and the lower case.
As an optimized proposal of the utility model, the border of the upper box and the lower box is a smooth big corner.
The wireless sensor network can monitor, sense and collect various environment or monitored object information in a network distribution area in real time, and process the information, thereby acquiring detailed and accurate information. The short-distance wireless sensor network based on the ZigBee technology has the advantages of high communication efficiency, low complexity, low power consumption, low speed, low cost, high safety and the like. In recent years, there has been increased attention. The number of wire joints of the power transmission line is large, more monitoring nodes are needed, the transmission delay is short, and the power consumption is extremely low; on the other hand, the data volume that wire joint temperature monitoring needs to be gathered is less, and transmission bandwidth demand is not high. The ZigBee-based wireless sensor network technology can form a flexible monitoring node cluster, meets the requirement of an online monitoring system of the temperature of a load wire joint, and provides a new idea and method for system realization.
The utility model discloses a great deal of advantage to above-mentioned not enough and current wireless sensor network that prior art exists provides a transmission line wire joint temperature monitoring devices based on zigBee technique, with sensor direct measurement transmission line electric current, wire and joint temperature, then integrate each node data through the zigBee network, at last through global system for mobile communication GSM with data transmission to the control main website, the control main website can judge the operating condition of wire joint current stage and predict later operation trend through expert system.
The invention has the technical effects that fewer data acquisition points can be set to accurately monitor the temperature of the wire joint of the power transmission line, and the power consumption and the cost are low.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and preferred embodiments.
Fig. 1 is a schematic structural view of the temperature monitoring device for the wire joint of the power transmission line of the present invention; and
fig. 2 is a side view of fig. 1.
Wherein,
1. current transformer 2. upper box
3. Lower box 4. fixed rotating shaft
5. Reed 6, cover plate
7. Gasket 8. bolt
9. Gasket 10. spring washer
11. Screw 12. circuit board
Detailed Description
As shown in fig. 1 and 2, the utility model discloses a transmission line wire connects temperature monitoring devices is including being used for loading transmission line wire connects temperature monitoring devices's box body, in installed in the box body: the current transformer 1 is coupled with a transmission line conductor and used for acquiring signals from the transmission line conductor and inducing and taking energy from the transmission line, and the current transformer accommodating area is loaded with the current transformer 1; in order to facilitate installation and disassembly, the box body is divided into an upper box 2 and a lower box 3 which are connected in a sliding manner at the accommodating area of the current transformer, and half of the current transformer 1 is positioned in the upper box 2, and the other half of the current transformer is positioned in the lower box 3. Go up box 2 and lower box 3 and connect in one end through fixed rotating shaft 4, and the other end is then connected by reed 5 that can open and shut, reed 5 is fixed in through gasket 9, bullet pad 10 and screw 11 lower box 3 to the installation and the dismantlement of device have been made things convenient for.
In order to reduce the corona effect, the edges of the upper box 2 and the lower box 3 of the device are smooth and fluent as much as possible so as to increase the curvature radius, namely, a large-corner design for increasing the curvature radius is adopted.
The utility model discloses a transmission line wire joint temperature monitoring device also includes signal processing and wireless transmitter, namely circuit board 12, it with the coupling of current transformer 1 is used for handling the signal and with the wireless transmission of processing result; and a signal processing and wireless transmitter accommodating area, which is loaded with a circuit board 12, wherein the circuit board 12 is fixed with the lower box 3 through a stud 8.
The signal processing and wireless transmitter accommodating area is positioned in the lower box 3, and a detachable cover plate 6 is arranged at the bottom of the lower box 3 to seal the circuit board 12 in order to facilitate the installation and replacement of the circuit board 12. Because this device is installed outdoors, in order to avoid the rainwater infiltration, installed sealed 7 additional under apron 6 and sealed.
And a wire through hole is formed between the upper box 2 and the lower box 3 to form a wire accommodating area, the wire passes through the through hole penetrating device between the upper box and the lower box, the current transformers 1 in the upper box and the lower box extract energy from the wire and measure the current on the wire, and the size of the through hole is consistent with that of the wire with the corresponding voltage grade.
And a wireless transmission antenna through hole is formed in the cover plate 6 and used for fixing the GSM antenna and the ZigBee antenna to form a wireless transmission antenna accommodating area.
Since the whole device is suspended on a high-voltage transmission line and has no grounding point, the requirement that the devices are connected with each other in an equipotential manner is very important, otherwise, the devices are easy to discharge and burn circuit boards. Therefore, the joints of all parts of the device need to be polished smoothly, and reliable connection between the parts is guaranteed.
The utility model discloses a current transformer in the device gains the electric energy from the wire that passes the device, supplies with entire system, and the temperature sensor who will be used for measuring wire and joint temperature passes through the shielded wire and introduces the circuit board in the box down for the current transformer who measures wire current also links to the circuit board through the wire, and the circuit board is responsible for gathering, handling and transmitting temperature and current data. In order to facilitate the installation and the disassembly of the device, the whole device is divided into an upper box and a lower box, and the upper box and the lower box are respectively connected and fixed by a fixed rotating shaft and a reed.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited thereto, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. Transmission line wire connects temperature monitoring devices, including being used for loading transmission line wire connects temperature monitoring devices's box body, in installed in the box body:
a current transformer coupled to the transmission line conductor for collecting signals from the transmission line conductor and inductively extracting power from the transmission line;
a current transformer accommodation area loaded with the current transformer;
the signal processing and wireless transmitter is coupled with the current transformer and used for processing the signal and wirelessly transmitting the processing result; and
the signal processing and wireless transmitter accommodating area is loaded with the signal processing and wireless transmitter;
the method is characterized in that:
the box body is detachable, and the box body is divided into an upper box and a lower box which are connected in a sliding manner at the accommodating area of the current transformer.
2. The transmission line wire joint temperature monitoring device of claim 1, characterized in that: and a wire through hole is formed between the upper box and the lower box to form a wire accommodating area.
3. The transmission line wire joint temperature monitoring device of claim 2, characterized in that: the size of the wire through hole of the wire accommodating area is consistent with that of the wire.
4. The transmission line wire joint temperature monitoring device of claim 1, characterized in that: the signal processing and wireless transmitter accommodating area is positioned in the lower box, and the bottom of the lower box is provided with a detachable cover plate for sealing the signal processing and wireless transmitter arranged in the signal processing and wireless transmitter accommodating area.
5. The transmission line wire joint temperature monitoring device of claim 4, characterized in that: and the cover plate is provided with a wireless transmission antenna through hole to form a wireless transmission antenna accommodating area.
6. The transmission line wire joint temperature monitoring device of claim 1, 2, 3, 4 or 5, characterized in that: a fixed rotating shaft is arranged at the slidable connection position between the upper box and the lower box and used for connecting the upper box and the lower box and enabling the upper box and the lower box to rotate around the fixed rotating shaft.
7. The transmission line wire joint temperature monitoring device of claim 6, characterized in that: the slidable connection between the upper box and the lower box is also provided with a reed which can be opened and closed and is used for clamping the upper box and the lower box, one end of the reed is fixed on the lower box, and the other end of the reed is clamped on the upper box.
8. The transmission line wire joint temperature monitoring device of claim 7, characterized in that: the reed is fixed on the lower box through a gasket, an elastic pad and a screw.
9. The transmission line wire joint temperature monitoring device of claim 6, characterized in that: and a sealing gasket is arranged between the cover plate and the lower box.
10. The transmission line wire joint temperature monitoring device of claim 6, characterized in that: the edges of the upper box and the lower box are smooth large corners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920212856XU CN201561806U (en) | 2009-12-10 | 2009-12-10 | Power transmission line conducting wire joint temperature monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920212856XU CN201561806U (en) | 2009-12-10 | 2009-12-10 | Power transmission line conducting wire joint temperature monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201561806U true CN201561806U (en) | 2010-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920212856XU Expired - Fee Related CN201561806U (en) | 2009-12-10 | 2009-12-10 | Power transmission line conducting wire joint temperature monitoring device |
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| Country | Link |
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| CN (1) | CN201561806U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636677A (en) * | 2012-04-01 | 2012-08-15 | 江苏波瑞电气有限公司 | Intelligent type online real-time monitoring contact box for temperature, humidity and current |
| CN102636686A (en) * | 2012-04-26 | 2012-08-15 | 苏州易邦顿信息科技有限公司 | Miniature monitoring device of intermediate joint of power cable |
| CN109313461A (en) * | 2016-05-11 | 2019-02-05 | 豪倍公司 | Power connector with integrated power monitoring |
| CN109470910A (en) * | 2018-07-02 | 2019-03-15 | 金华八达集团有限公司科技信息分公司 | A kind of power distribution network power loss detection system and method |
| CN109489858A (en) * | 2018-07-02 | 2019-03-19 | 金华八达集团有限公司科技信息分公司 | A kind of temperature of electric transmission line detection system and method |
-
2009
- 2009-12-10 CN CN200920212856XU patent/CN201561806U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636677A (en) * | 2012-04-01 | 2012-08-15 | 江苏波瑞电气有限公司 | Intelligent type online real-time monitoring contact box for temperature, humidity and current |
| CN102636686A (en) * | 2012-04-26 | 2012-08-15 | 苏州易邦顿信息科技有限公司 | Miniature monitoring device of intermediate joint of power cable |
| CN109313461A (en) * | 2016-05-11 | 2019-02-05 | 豪倍公司 | Power connector with integrated power monitoring |
| CN109470910A (en) * | 2018-07-02 | 2019-03-15 | 金华八达集团有限公司科技信息分公司 | A kind of power distribution network power loss detection system and method |
| CN109489858A (en) * | 2018-07-02 | 2019-03-19 | 金华八达集团有限公司科技信息分公司 | A kind of temperature of electric transmission line detection system and method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20101210 |