CN201497588U - Wire temperature measurement device for transmission line - Google Patents
Wire temperature measurement device for transmission line Download PDFInfo
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- CN201497588U CN201497588U CN2009203071037U CN200920307103U CN201497588U CN 201497588 U CN201497588 U CN 201497588U CN 2009203071037 U CN2009203071037 U CN 2009203071037U CN 200920307103 U CN200920307103 U CN 200920307103U CN 201497588 U CN201497588 U CN 201497588U
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Abstract
The utility model relates to a wire temperature measurement device for a transmission line, which comprises a provincial bureau monitoring center. The provincial bureau monitoring center is respectively connected with a plurality of city bureau monitoring centers by LAN buses. Each city bureau monitoring center is respectively connected with a plurality of line communication extension sets by GSM SMS. Each line communication extension set is respectively connected with a plurality of temperature monitoring extension sets. By performing real-time dynamic monitoring on the temperature of the transmission wire, the temperature measurement device of the utility model provides guarantee for not breaking through regulations in the prior art to improve the transmission capacity of the transmission line, realizes to dynamically regulate the current carrying capacity of the transmission line under different environmental conditions, effectively improves the transmission capacity of the existing transmission line, and partly solves the problem of power supply shortage.
Description
Technical field
The utility model belongs to the power transmission and transforming equipment monitoring technical field, relates to a kind of transmission route survey device, particularly a kind of transmission line wire temperature measuring equipment.
Background technology
In recent years, along with growing continuously and fast of China's economy, power consumption rapidly increases, and the problem of transmitting capacity of the electric wire netting deficiency becomes increasingly conspicuous, and part provinces and cities have begun to alleviate by the policy of rationing the power supply the disparities between supply and demand of electric power.By traditional technology, only reliable increase electric line increases the ability to transmit electricity of electrical network, but owing to continuing to increase of pressure taken up an area of in growing tension, the corridor of circuit corridor resource, newly-built transmission line of electricity seems more and more difficult.From sustainable development and environmental protection angle,, more attention should be transferred on the potentiality of excavating existing line from the expansion of electrical network in order to solve contradiction to the difficulty of the demand sustainable growth of transmission line capability and newly-built circuit.
At present, domestic electric system is in design with when erecting power transmission lines, and is excessive for preventing to load, and the power transmission line thermal capacitance grade of formulation is to be a heat ultimate value static state, conservative that the basis provides with the most abominable meteorological condition.But abominable like this meteorological condition is rare, has caused the transmission potentiality that can't really efficiently utilize transmission line of electricity in most cases.Therefore,, guaranteeing under the trouble-proof prerequisite of circuit, utilizing existing transmission line of electricity, current carrying capacity of conductor is being provided to greatest extent, becoming the effective way that solves electricity supply and demand contradiction in today that power consumption increases day by day.And suitably improve the allowable temperature of the transmission pressure of current specifications regulation, and can increase the stable current-carrying capacity of existing electric system, improve the circuit transport capacity, built circuit transmission capacity and the newly-built track investment of reduction to increasing, have real economic implications.
Summary of the invention
The purpose of this utility model provides a kind of transmission line wire temperature measuring equipment, be used to measure the temperature rise of existing transmission pressure, for power department is being guaranteed under the prerequisite that existing transmission pressure does not break down because of temperature rise, the current-carrying capacity that improves transmission pressure to greatest extent provides essential basic data, and the contradiction of existing grid power supply and demand is eased.
The technical scheme that the utility model adopted is, the transmission line wire temperature measuring equipment, comprise Surveillance center of province office, Surveillance center of province office is connected with Surveillance center of a plurality of districts and cities office respectively by the LAN bus, Surveillance center of prefectures and cities office is connected with a plurality of line traffic extension sets respectively by GSM SMS, and each line traffic extension set is connected with a plurality of temperature monitoring extension sets respectively by radio communication.
Feature of the present utility model also is,
The temperature monitoring extension set comprises microprocessor, microprocessor is connected with ZigBee wireless communication module, light-emitting diode display, power supply, clock chip and a plurality of temperature sensor module respectively, the structure of temperature sensor module comprises: the conductor temperature probe, conductor temperature probe insertion and the temperature sensor that are connected successively, temperature sensor is connected with microprocessor.
Microprocessor adopts the P89C58 single-chip microcomputer.
Temperature sensor module adopts one-line digital temperature sensor DS18B20.
Temperature sensor module is four.
The utility model temperature measuring equipment has following advantage:
1. adopt one-line digital temperature sensor DS18B20, can be at the different local laying temperature Sensitive Apparatus of transmission line of electricity.
2. adopt the mode of two radio communications, can in real time, accurately monitor conductor temperature.
3. the mode of employing wireless network realizes the connection communication between each thermometric extension set and the central computer.Be not subjected to the interference of transformer station's hyperbaric environment electromagnetic field, solved the wireless communication problems between thermometric extension set and the central computer; The Zigbee module dissipation is low, and quiescent current is 1uA only, and has the function of transparent data transmission.
4. all image data deposit the central computer database in, can analyze the Monitoring Data in one period, the conductor temperature variation tendency are judged, for the dispatching of power netwoks personnel provide the increase-volume foundation.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model temperature measuring equipment;
Fig. 2 is the structural representation of temperature monitoring extension set in the utility model temperature measuring equipment;
Fig. 3 is the structural representation of line traffic extension set in the utility model temperature measuring equipment;
Fig. 4 is the interrupt routine process flow diagram of temperature monitoring extension set in the utility model temperature measuring equipment.
Among the figure, 1. Surveillance center of province office, 2. Surveillance center of districts and cities office, 3. line traffic extension set, 4. temperature monitoring extension set, 5. transmission pressure, 6. temperature sensor module, 7. microprocessor, 8.ZigBee wireless communication module, 9.LED display, 10. power supply, 11. clock chips.
Wherein, 3-1.GSM communication module, 3-2.ZigBee communication module, 6-1. conductor temperature probe, 6-2. conductor temperature probe insertion, 6-3. temperature sensor.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
The structure of the utility model temperature measuring equipment, as shown in Figure 1, comprise Surveillance center of province office 1, Surveillance center of province office 1 is connected with Surveillance center of a plurality of districts and cities office 2 respectively by the LAN bus, Surveillance center of prefectures and cities office 2 is connected with a plurality of line traffic extension sets 3 respectively by GSM SMS, and each line traffic extension set 3 is connected with a plurality of temperature monitoring extension sets 4 respectively by radio communication.
The structure of temperature monitoring extension set 4 in the utility model temperature measuring equipment, as described in Figure 2, comprise microprocessor 7, microprocessor 7 is connected with four temperature sensor module 6 respectively, each temperature sensor module 6 is connected with transmission pressure 5 respectively, and microprocessor 7 also is connected with ZigBee wireless communication module 8, light-emitting diode display 9, power supply 10 and clock chip 11 respectively.The structure of each temperature sensor module 6 comprises: conductor temperature probe 6-1, the conductor temperature probe insertion 6-2 and the temperature sensor 6-3 that are connected successively, and conductor temperature probe 6-1 and transmission pressure 5 are affixed, and temperature sensor 6-3 is connected with microprocessor 7.Microprocessor 7 adopts the P89C58 single-chip microcomputer.Power supply 10 adopts the mode of operation of electricity sun energy and accumulator cell charging and discharging.
The structure of line traffic extension set 3 in the utility model temperature measuring equipment, as shown in Figure 3, its structure comprises: gsm communication module 3-1 and ZigBee wireless module 3-2.
Temperature monitoring extension set 4 adopts housing that electromagnetic signal is carried out double shield, temperature sensor 6 adopts one-line digital temperature sensor DS18B20, DS18B20 adopts unibus (1-wire) technology, address, data line and control line are combined into the signal wire of a bidirectional linked list transmission, have simple in structurely, be convenient to advantages such as bus expansion and maintenance.Only need a line (and ground wire) from the CPU of microprocessor 7 to digital temperature sensor DSl820.Because each digital temperature sensor DSl820 is given unique sequence number when dispatching from the factory, therefore any a plurality of digital temperature sensor DSl820 can leave on same the single bus, make at many different local laying temperature Sensitive Apparatuses.Every digital temperature sensor DS1820 can be arranged to two kinds of power supply modes: i.e. data bus power supply mode and externally fed mode.Take the data bus power supply mode can save a lead, but it is longer to finish the thermometric time; Take the externally fed mode then many, but measuring speed is very fast with a lead.This temperature measuring equipment is applied to the above transmission line of electricity of voltage 500KV, temperature monitoring extension set 4 adopts the equipotential installation and operation, utilize the DS18B20 digital temperature sensor to obtain the digital temperature signal of required measurement transmission pressure 5, be degree of accuracy and the accuracy of guaranteeing to measure, conductor temperature probe 6-1 binds on transmission pressure 5 with aluminium armor tape, adopt the way of contact to measure the temperature of transmission pressure 5, conductor temperature probe 6-1 connecting line is plugged in the conductor temperature probe insertion 6-2.
Temperature monitoring extension set 4 is installed on the joint of built on stilts transmission pressure 5 in each local meteorological sub-district or transmission pressure 5, the medial temperature of transmission pressure 5 under each local meteorological condition of actual measurement.Adopt 4 DS18B20 to gather the temperature information of ambient temperature information and 3 place's transmission pressures 5 respectively in each temperature monitoring extension set 4, and the temperature information of gathering is transferred to microprocessor 7, microprocessor 7 is stored the information data that receives on the one hand, on the other hand this information data is sent to corresponding line traffic extension set 3 by Zigbee wireless communication module 8, each line traffic extension set 3 is GSMSMS with the temperature information packing data that receives, and sends to monitoring center of districts and cities office 2 by gsm communication module 3-1.
Shown in Figure 4 is the interrupt routine process flow diagram of temperature monitoring extension set 4 in the utility model temperature measuring equipment, temperature monitoring extension set 4 adopts interrupt mode to carry out work on the one hand, sampling time converts the back and by Zigbee wireless communication module 8 data message is sent to line traffic extension set 3 once to starting the measuring point temperature transition; Temperature monitoring extension set 4 adopts circulation to carry out alarm inquiry (ceiling temperature of digital temperature sensor DS18B20 can be made as 70 ℃ or other values) on the other hand, if the temperature that monitors surpasses the temperature limit that stability sensor 6 is preset, then be not subjected to the restriction of sampling time interval, this temperature information is sent to line traffic extension set 3 by Zigbee wireless communication module 8, line traffic extension set 3 sends to the related personnel by Chinese short message with the information that receives, and in time takes measures.
Surveillance center is the GSM SMS signal that receives, and behind software decode, the data that obtain are stored and judges, and carry out pre-alarm according to transmission pressure 5 default temperature, and the temperature of analyzing transmission pressure 5 simultaneously is curve etc. over time.And accept each line current data that the SCADA system is measured in real time by data network, calculate parameters such as the electric current of temperature, lead expection of lead expection or load, expeced time, the real-time sag of lead, lead expection sag according to computation model, show that with graphics mode each calculates and results measured, when actual measurement or the conductor temperature that calculates or safe distance surpass limit value, send information warning.
The course of work of the utility model temperature measuring equipment:
Center host is sent acquisition instructions, and instruction is transported to line traffic extension set 3 by Internet network, GSM server and gsm wireless net.Line traffic extension set 3 regularly/is in real time called out a plurality of temperature monitoring extension sets 4 of its control successively according to the sampling time interval that Surveillance center is provided with by Zigbee wireless module 3-2.Temperature monitoring extension set 4 is installed on the joint of the transmission pressure 5 of each local meteorological sub-district or transmission pressure 5, the running temperature of actual measurement transmission pressure 5 under local meteorological condition, and the temperature data of gathering is sent to line traffic extension set 3 by Zigbee wireless communication module 8 (frequency 2.4GHz), by line traffic extension set 3 temperature of each monitoring point is packaged as GSM SMS signal, 3-1 sends to monitoring center of districts and cities office 2 with temperature signal by the gsm communication module, temperature information by monitoring center of districts and cities office 2 each path monitoring point of centralized management, and can accept each line current data that the SCADA system is measured in real time by data network, calculate the temperature of transmission pressure 5 expections according to computation model, the electric current or the load of lead expection, expeced time, the real-time sag of lead, parameters such as lead expection sag, show that with graphics mode each calculates and results measured, when actual measurement or transmission pressure 5 temperature of calculating or safe distance surpass limit value, send information warning.Monitoring center's main frame can be provided with the operational factor (as adopting the time interval, subordinate machine system time and real time data request etc.) of line traffic extension set by GSM SMS.The monitoring center 2 of prefectures and cities office and monitoring center of province office 1 adopt the networking of LAN mode, the transmission pressure 5 of each each measuring point of circuit of monitoring center of prefectures and cities office 2 and the data such as temperature of gold utensil can directly be called by monitoring center of province office 1, the temperature that allows with transmission pressure 5 compares analysis, can not break through under the existing technical regulation defined terms, improve the transmission capacity of transmission line of electricity; Also can be on the basis of improving the line energizing flow amount, the running temperature of monitoring lead.
The utility model temperature measuring equipment is by the real-time dynamic monitoring to conductor temperature, improve the circuit transmission capacity for not breaking through the prior art rules, give security, realized the current-carrying capacity of dynamic adjustments transmission line of electricity under the varying environment condition, effectively improved the transmission capacity of existing transmission line of electricity, part solves the electric power supply problem of shortage.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203071037U CN201497588U (en) | 2009-07-30 | 2009-07-30 | Wire temperature measurement device for transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203071037U CN201497588U (en) | 2009-07-30 | 2009-07-30 | Wire temperature measurement device for transmission line |
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| Publication Number | Publication Date |
|---|---|
| CN201497588U true CN201497588U (en) | 2010-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009203071037U Expired - Lifetime CN201497588U (en) | 2009-07-30 | 2009-07-30 | Wire temperature measurement device for transmission line |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330181A (en) * | 2014-10-21 | 2015-02-04 | 苏州德鲁森自动化系统有限公司 | Temperature measurement method by adopting multiple sensors to overcome errors |
| CN104949774A (en) * | 2015-07-16 | 2015-09-30 | 国网安徽省电力公司宣城供电公司 | Novel electric power circuit temperature measurement system |
| CN111398736A (en) * | 2020-03-31 | 2020-07-10 | 国电南瑞科技股份有限公司 | A dynamic evaluation method for the current carrying capacity boundary of transmission lines |
-
2009
- 2009-07-30 CN CN2009203071037U patent/CN201497588U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330181A (en) * | 2014-10-21 | 2015-02-04 | 苏州德鲁森自动化系统有限公司 | Temperature measurement method by adopting multiple sensors to overcome errors |
| CN104949774A (en) * | 2015-07-16 | 2015-09-30 | 国网安徽省电力公司宣城供电公司 | Novel electric power circuit temperature measurement system |
| CN111398736A (en) * | 2020-03-31 | 2020-07-10 | 国电南瑞科技股份有限公司 | A dynamic evaluation method for the current carrying capacity boundary of transmission lines |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XI'AN JINYUAN ELECTRIC CO., LTD. Free format text: FORMER OWNER: XI'AN ENGINEERING UNIV. Effective date: 20110105 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 710048 NO.19, JINHUA SOUTH ROAD, XI'AN CITY, SHAANXI PROVINCE TO: 710075 11301, HUAJING BUSINESS PLAZA, NO.20, FENGHUI SOUTH ROAD, XI'AN CITY, SHAANXI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110105 Address after: 710075 Shaanxi city of Xi'an province Fenghui Road No. 20 Huajing Business Plaza 11301 Patentee after: Xi'an Jinpower Electrical Co., Ltd. Address before: 710048 Shaanxi city of Xi'an Province Jinhua Road No. 19 Patentee before: Xi'an Engineering Univ. |
|
| C56 | Change in the name or address of the patentee |
Owner name: XI'AN JINPOWER ELECTRICAL CO., LTD. Free format text: FORMER NAME: XI'AN JINYUAN ELECTRIC CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 710075 Xi'an high tech Zone Fenghui Road No. 20 Huajing Business Plaza, block B No. 11301 Patentee after: Xi'an Jin Power Electrical Co., Ltd. Address before: 710075 Shaanxi city of Xi'an province Fenghui Road No. 20 Huajing Business Plaza 11301 Patentee before: Xi'an Jinpower Electrical Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100602 |
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| CX01 | Expiry of patent term |