CN2788143Y - Electric power circuit guiding-wire temperature and load-measuring equipment - Google Patents
Electric power circuit guiding-wire temperature and load-measuring equipment Download PDFInfo
- Publication number
- CN2788143Y CN2788143Y CN 200520078445 CN200520078445U CN2788143Y CN 2788143 Y CN2788143 Y CN 2788143Y CN 200520078445 CN200520078445 CN 200520078445 CN 200520078445 U CN200520078445 U CN 200520078445U CN 2788143 Y CN2788143 Y CN 2788143Y
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- temperature
- load current
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- measuring device
- measurement mechanism
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Abstract
The utility model relates to a measuring device of the temperature of an electric power circuit conducting wire and load current. In the prior art, particularly in order to ensure the safe operation of an electric power transmission line, the conducting wire temperature, the conducting wire node temperature and the line load of the damaged conducting wire temperature of the line are important measuring items. At present, home and abroad both adopt the measurement of an infrared non-contact type and a paste sheet mode which both exist in a few of defects. A work power supply, a temperature measuring device, a load current measuring device and a control device of the utility model are all arranged in a metal casing. A temperature probe of the temperature measuring device is arranged on a conducting wire and has the same electric potential with the conducting wire. The load current measuring device is a hollow coil which can measure line load current. The temperature measuring device and the load current measuring device are respectively connected with the work power supply and the control device. The utility model can longtime and continuously work, and solves the problem of inaccurate measurement caused by that the past temperature measurement of a power transmission line is easy to be influenced by other factors.
Description
Technical field:
The utility model relates to the measurement mechanism of a kind of power line lead temperature and load current.
Background technology:
In the prior art, in order to guarantee the safe operation of electric power transmission line, the temperature line load of the conductor temperature on the circuit, lead node temperature, damaged conductor is important measurement project.All adopt infrared ray closely non-contact measurement and paster mode at present both at home and abroad, the infrared rays survey mode is subject to the other factors influence and causes measurement inaccurate; The paster mode is measured conductor temperature real-time difference and must be caused shortcomings such as working strength is big to the test point measurement by survey crew.
Summary of the invention:
The purpose of this utility model is to provide a kind of temperature and the load current that can measure tested electricity on the lead in real time, and the power line lead temperature of energy real-time communication and the measurement mechanism of load current.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of power line lead temperature and load-measuring device, its special character is: described measurement mechanism is made of working power 1, temperature measuring equipment 2, load current measurement mechanism 3, control device 4 and metal shell 5; Described working power 1, temperature measuring equipment 2, load current measurement mechanism 3, control device 4 all are arranged in the metal shell 5, and the temp probe 9 of described temperature measuring equipment 2 is arranged on the lead 10, and is idiostatic with lead; Described load current measurement mechanism 3 is an energy measurement line load current hollow wire-core coil; Temperature measuring equipment 2 is connected with control device 4 with working power 1 respectively with load current measurement mechanism 3.
Above-mentioned working power 1 comprises ring structure iron core 6, inductive coil 7 and power circuit 8; On the described iron core 6 inductive coil 7 is set, inductive coil 7 is connected with power circuit 8.
Above-mentioned temperature measuring equipment 2 adopts the dallas, u.s.a 18B20 of company type temperature sensor.
Above-mentioned load current measurement mechanism 3 is an energy measurement line load current hollow wire-core coil, and the lead load current draws by the corresponding relation between AD value and the actual load.
Communication module in the above-mentioned control device 4 adopts Siemens TC35i communication module, and communication modes adopts short message (SMS) and double-tone (DTMF) dual mode frequently.
The utility model is with respect to prior art, and its advantage is as follows:
1, for device provides the energy measurement mechanism can be worked by the transmission line of electricity induction mode for a long time continuously.
2, by the contact measurement mode, temperature sensor is pricked on lead with aluminium armor tape, be subject to the other factors influence when having solved transmission route survey temperature in the past and cause the inaccurate problem of measuring.
3, can measure and transmit measurement data in real time, and not need in the past survey crew to hold measuring equipment to in-site measurement.
4, can measure measured point temperature and load current in real time, and set up the funtcional relationship of measured point, for the safe operation of transmission line of electricity provides in real time, foundation accurately.
5, the utility model and lead equipotential can run on each electric pressure circuit.
Description of drawings:
Fig. 1 is the structural representation schematic diagram of the utility model power line lead temperature and load-measuring device;
Fig. 2 is the structural representation schematic diagram of working power of the present utility model;
Fig. 3 is the structural representation of working power of the present utility model;
Fig. 4 is the structural representation of load current measurement mechanism of the present utility model;
Fig. 5 is the structural representation of the utility model power line lead temperature and load-measuring device.
Embodiment:
In order to guarantee the safe operation of electric power transmission line, the temperature line load of the conductor temperature on the circuit, lead node temperature, damaged conductor is important measurement project.
Referring to Fig. 1, Fig. 2, Fig. 5, the utility model are power line lead temperature and load-measuring device, and it is made of working power 1, temperature measuring equipment 2, load current measurement mechanism 3, control device 4, shell 5; Above-mentioned working power 1, temperature measuring equipment 2, load current measurement mechanism 3, control device 4 all are arranged in the metal shell 5, and the temp probe 9 of the temperature measuring equipment 2 of measurement mechanism is arranged on the lead 10, and is idiostatic with lead; The load current measurement mechanism 3 of measurement mechanism is an energy measurement line load current hollow wire-core coil; Temperature measuring equipment 2 is connected with control device 4 with working power 1 respectively with load current measurement mechanism 3.
Referring to Fig. 2, Fig. 3, the structural representation schematic diagram of working power of the present utility model; Working power 1 by get can iron core and power module constitute, for the work of whole device provides stable power; Its working power 1 comprises ring structure iron core 6, inductive coil 7 and power circuit 8; On the above-mentioned iron core 6 inductive coil 7 is set, inductive coil 7 is connected with power circuit 8, thereby stable power is provided.
Referring to Fig. 4, Fig. 4 is the structural representation of load current measurement mechanism of the present utility model, and above-mentioned load current measurement mechanism 3 is an energy measurement line load current hollow wire-core coil, and the lead load current draws by the corresponding relation between AD value and the actual load.
During use, with above-mentioned temperature measuring equipment: by being arranged on the temperature probe on the lead and placing 1 temp probe in the pilot lamp housing to form, by way of contact sensing conductor temperature and environment temperature.For accuracy that improves thermometric and the digital temperature sensors that improve the whole employing of antijamming capability probe import, can adopt the 18B20 of dallas, u.s.a company type temperature sensor; And the load current measurement mechanism: constitute by air core coil and corresponding signal conditioning circuit; By above-mentioned control circuit: adopt single chip microcomputer to coordinate control temperature survey circuit, recombination current measuring circuit, communication line.Device carries out the measurement of temperature and recombination current in real time, and will measure temperature and predefined alarm temperature compares, surpass alarm temperature as temperature, device will send warning message by short message way, do not surpass alarm temperature as temperature, then regularly send SMS message by the predefined transmission cycle.
The communicating circuit of control device adopts the TC-35i module of import, utilizes short message (SMS) and double-tone frequency (DTMF) dual mode to carry out communication.The user can utilize above-mentioned dual mode that device is provided with: the setting device time, the transmission cycle is set, the main website number is set, the alarm temperature thresholding is set.
Control device 4 is fixed in the magnetic shielding box, is not subjected to the influence of wire magnetic fields with the work of guaranteeing circuit.
Shell 5 is to be formed by aluminium die-casting, for other parts that install provide mechanical support and protection, simultaneously also for control circuit provides electric shield, operation circuit is in electricity, the magnetic double shield, thereby has guaranteed the job stability of control circuit.
The utility model can work measurement mechanism by the transmission line of electricity induction mode for device provides the energy for a long time continuously, and by the contact measurement mode, temperature sensor is pricked on lead with aluminium armor tape, be subject to the other factors influence when having solved transmission route survey temperature in the past and cause the inaccurate problem of measuring, thereby hold out broad prospects.
Claims (5)
1, a kind of power line lead temperature and load-measuring device is characterized in that: described measurement mechanism is made of working power (1), temperature measuring equipment (2), load current measurement mechanism (3), control device (4) and metal shell (5); Described working power (1), temperature measuring equipment (2), load current measurement mechanism (3), control device (4) all are arranged in the metal shell (5), the temp probe (9) of described temperature measuring equipment (2) is arranged on the lead (10), and is idiostatic with lead; Described load current measurement mechanism (3) is an energy measurement line load current hollow wire-core coil; Temperature measuring equipment (2) is connected with control device (4) with working power (1) respectively with load current measurement mechanism (3).
2, power line lead temperature according to claim 1 and load-measuring device is characterized in that: described working power (1) comprises ring structure iron core (6), inductive coil (7) and power circuit (8); Inductive coil (7) is set on the described iron core (6), and inductive coil (7) is connected with power circuit (8).
3, power line lead temperature according to claim 1 and 2 and load-measuring device is characterized in that: described temperature measuring equipment (2) adopts the dallas, u.s.a 18B20 of company type temperature sensor.
4, power line lead temperature according to claim 3 and load-measuring device, it is characterized in that: described load current measurement mechanism (3) is an energy measurement line load current hollow wire-core coil, and the lead load current draws by the corresponding relation between AD value and the actual load.
5, power line lead temperature according to claim 3 and load-measuring device is characterized in that: adopt Siemens TC35i communication module, communication modes to adopt short message (SMS) and double-tone (DTMF) dual mode frequently in the described control device (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520078445 CN2788143Y (en) | 2005-03-10 | 2005-03-10 | Electric power circuit guiding-wire temperature and load-measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520078445 CN2788143Y (en) | 2005-03-10 | 2005-03-10 | Electric power circuit guiding-wire temperature and load-measuring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2788143Y true CN2788143Y (en) | 2006-06-14 |
Family
ID=36786438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520078445 Expired - Fee Related CN2788143Y (en) | 2005-03-10 | 2005-03-10 | Electric power circuit guiding-wire temperature and load-measuring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2788143Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101861689A (en) * | 2007-11-19 | 2010-10-13 | 株式会社自动网络技术研究所 | Electric wire protection method and electric wire protection device |
| CN102721851A (en) * | 2012-06-13 | 2012-10-10 | 云南电力试验研究院（集团）有限公司电力研究院 | Method for combined detection of current and temperature of electrified through-current part of electric equipment |
-
2005
- 2005-03-10 CN CN 200520078445 patent/CN2788143Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101861689A (en) * | 2007-11-19 | 2010-10-13 | 株式会社自动网络技术研究所 | Electric wire protection method and electric wire protection device |
| CN101861689B (en) * | 2007-11-19 | 2013-12-11 | 株式会社自动网络技术研究所 | Electric wire protection method and electric wire protection device |
| CN103746348A (en) * | 2007-11-19 | 2014-04-23 | 株式会社自动网络技术研究所 | Electric wire protection method and electric wire protection device |
| CN103746348B (en) * | 2007-11-19 | 2017-06-20 | 株式会社自动网络技术研究所 | Electric wire protection method and conductive wire protection apparatus |
| CN102721851A (en) * | 2012-06-13 | 2012-10-10 | 云南电力试验研究院（集团）有限公司电力研究院 | Method for combined detection of current and temperature of electrified through-current part of electric equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |