CN205120252U - Wireless temperature measuring system - Google Patents

Wireless temperature measuring system Download PDF

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Publication number
CN205120252U
CN205120252U CN201520868446.6U CN201520868446U CN205120252U CN 205120252 U CN205120252 U CN 205120252U CN 201520868446 U CN201520868446 U CN 201520868446U CN 205120252 U CN205120252 U CN 205120252U
Authority
CN
China
Prior art keywords
temperature
module
installation portion
dispensing device
measurement system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520868446.6U
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Chinese (zh)
Inventor
刘延权
何建林
李洪兵
余华兴
李彬
康均
任毅
陈孟贤
马骁
邵愚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Jiangbei Power Supply Co of State Grid Chongqing Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Jiangbei Power Supply Co of State Grid Chongqing Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Jiangbei Power Supply Co of State Grid Chongqing Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201520868446.6U priority Critical patent/CN205120252U/en
Application granted granted Critical
Publication of CN205120252U publication Critical patent/CN205120252U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a wireless temperature measuring system, including temperature data collection dispensing device and portable temperature receipt storage device, temperature data collection dispensing device sets up in fastener node department, and this temperature data collection dispensing device includes digital temperature sensor, a data processing module, wireless radio frequency sending module and a dispensing device 0. This temperature data collection dispensing device and fastener node in close contact with, through the metal fever conduction with inside the temperature conductivity on the fastener to the temperature transducer, the measuring temperature is sent to during portable temperature receives storage device through wireless radio frequency sending module, a power module adopts electric field induction formula power, no battery. The utility model discloses a wireless temperature measuring system, the temperature at position is connected to this temperature measurement system measurable quantity transmission tower fastener, and equipment cost is low, the precision is high, the measurement is convenient.

Description

Wireless temperature measurement system
Technical field
The utility model relates to a kind of temp measuring system, is specifically related to a kind of wireless temperature measurement system measuring power transmission line wire clamp junction temperature.
Background technology
In recent years, along with national economy sustainable growth, town and country power consumption surges, peak times of power consumption line powering load near the limit or ultralimit run phenomenon happen occasionally, heavy-duty service easily causes electric transmission pole tower wire clamp Nodes temperature too high, and wire clamp Nodes temperature too high be line security run " fatal weakness ".Therefore in order to ensure power grid security, usually before peak of power consumption season arrives, all to carry out complete detection to the wire clamp of ultra-high-tension power transmission line, prevent because of wire tie point warming-up effect electric power netting safe running.
At present, conventional temperature survey mode comprises following several:
Light pricker thermometric, energy electromagnetism interference, electrical insulating property is good, and volume is little, and thermometric is accurate; But optical fiber surface vulnerable to pollution, causes optical fiber creeping discharge, in addition, expensive, starting point price is high.
Infrared measurement of temperature, adopt telemetry, photon as information carrier, fast response time; But, be subject to the interference of electromagnetic field of environment and surrounding, be also subject to space constraint in switch cubicle, and high cost.
Common thermometric, adopt the conventional common thermometric mode such as thermopair, thermal resistance, semiconductor temperature sensor, structure is simple, easy to use; But, need plain conductor signal transmission, due to stable insulating property cannot be ensured, thus cannot use on high-tension apparatus.
Utility model content
In view of this, the purpose of this utility model is providing a kind of wireless temperature measurement system, and this temp measuring system can measure the temperature of electric transmission pole tower wire clamp connecting portion, and equipment cost is low, precision is high, measurement is convenient.
For achieving the above object, the utility model provides following technical scheme:
A kind of wireless temperature measurement system, comprise temperature acquisition dispensing device and Portable temperature receiving/storing device, described temperature acquisition dispensing device is arranged on wire clamp node place;
Described temperature acquisition dispensing device comprise digital temperature sensor for obtaining wire clamp Nodes temperature, for the treatment of temperature signal the first data processing module, for processed temperature data is wirelessly transmitted to Portable temperature receiving/storing device less radio-frequency sending module, be used for the first power module that temperature acquisition dispensing device is powered, described digital temperature sensor is connected with the first data processing module, and described less radio-frequency sending module is connected with the first data processing module;
Described Portable temperature receiving/storing device comprises less radio-frequency receiver module for receiving temperature data, be connected with this wireless radio frequency modules arrange the second data processing module, for the display screen of displays temperature data, the second source module for powering to Portable temperature receiving/storing device.
Further, described first power module is electric field induction power supply, and described first power module comprises for the primary coil to hi-line power taking and the secondary coil for adjusting voltage, and described primary coil and secondary coil are all installed with iron core.
Further, described first power module also comprises the Anti-surging module for preventing dash current from damaging the first power module, and described Anti-surging module is connected with secondary coil.
Further, described first power module also comprises the overvoltage protective module for arranging with Anti-surging model calling.
Further, described first power module also comprises the rectifying and wave-filtering Voltage stabilizing module being connected with overvoltage protective module and arranging.
Further, described temperature acquisition dispensing device comprise body, the threaded rod extended by body, the nut be arranged on threaded rod, for temperature sensor being fixed on the buckle on wire clamp;
Described buckle comprises the first installation portion and the second installation portion, and described buckle is sheet metal;
Described first installation portion is provided with through hole, and described threaded rod runs through this through hole, and described buckle is pressed between nut and body by nut;
The edge of described second installation portion is provided with U-type groove, and described second installation portion utilizes the bolt presses at wire clamp node place at wire clamp Nodes, and described U-type groove matches with described bolt.
Further, described buckle adopts stainless steel material.
Further, described buckle is bending sheet metal, bending part is provided with between described first installation portion and the second installation portion, the bent angle of described first installation portion and bending part is contrary with the bent angle direction of the second installation portion and bending part, described first installation portion and the second installation portion are parallel to each other, described nut upper surface and the first installation portion are fitted, and described nut lower surface and the second installation portion are at grade.
Further, described nut and threaded rod material are copper.
Further, described body is provided with the housing adopting soft magnetic material.
The beneficial effects of the utility model are:
Wireless temperature measurement system of the present utility model, this temp measuring system can measure the temperature of electric transmission pole tower wire clamp connecting portion, and equipment cost is low, precision is high, measurement is convenient.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and beneficial effect clearly, the utility model provides following accompanying drawing to be described:
Fig. 1 is the floor map of wireless temperature measurement system of the present utility model;
Fig. 2 is the circuit block diagram of temperature acquisition dispensing device in Fig. 1;
Fig. 3 is the circuit block diagram of temperature reception memory storage in Fig. 1;
Fig. 4 is the first power module floor map in Fig. 2;
Fig. 5 is the scheme of installation of temperature acquisition dispensing device in Fig. 1;
Fig. 6 is the explosive view of temperature acquisition dispensing device in Fig. 5.
Wherein: 1-body, 2-threaded rod, 3-nut, 4-buckle, 5-wire clamp, 6-bolt, 7-primary coil, 8-secondary coil, 41-through hole, 42-first installation portion, 43-bending part, 44-second installation portion, 45-U type groove.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
Wireless temperature measurement system of the present utility model, as shown in Figure 1, comprise temperature acquisition dispensing device and Portable temperature receiving/storing device, described temperature acquisition dispensing device is arranged on wire clamp 5 node place.
As shown in Figure 2, temperature acquisition dispensing device comprise digital temperature sensor for obtaining wire clamp Nodes temperature, for the treatment of temperature signal the first data processing module (such as STM8L051 chip), for processed temperature data is wirelessly transmitted to Portable temperature receiving/storing device less radio-frequency sending module, be used for the first power module that temperature acquisition dispensing device is powered, described digital temperature sensor is connected with the first data processing module, and described less radio-frequency sending module is connected with the first data processing module.
As shown in Figure 3, Portable temperature receiving/storing device comprise less radio-frequency receiver module for receiving temperature data, be connected with this wireless radio frequency modules arrange the second data processing module (such as STM8L051 chip), for the display screen of displays temperature data, the second source module for powering to Portable temperature receiving/storing device.
Wireless temperature measurement system of the present utility model, temperature acquisition dispensing device and wire clamp node close contact, by metal heat conduction, the temperature conduction on wire clamp is inner to temperature probe, measured temperature is delivered in Portable temperature receiving/storing device by less radio-frequency sending module.
During detected temperatures, only need carry this Portable temperature receiving/storing device to the electric transmission pole tower annex that temperature acquisition dispensing device is housed, the collection and monitor of temperature data can be completed, also can on Portable temperature receiving/storing device setting data interface, this data-interface is utilized to copy on computing machine, so that holistic approach.
Wireless temperature measurement system of the present utility model, its cost is low, precision is high, measurement is convenient, and range finding is comparatively far away, meanwhile, because temperature sensor contacts with wire clamp node, further increases measuring tempeature.
As the optimization of such scheme, as shown in Figure 4, described first power module is electric field induction power supply, and this first power module comprises for the primary coil to hi-line power taking and the secondary coil for adjusting voltage, and primary coil and secondary coil are all installed with iron core.In the present embodiment, owing to adopting electric field induction power supply, without the need to external power source, the energy needed for the work of temperature acquisition dispensing device directly obtains from power transmission line, avoid and the pollution caused is used to the maintenance of battery and battery, improve the environmental-protecting performance of system; Meanwhile, by arranging the coil turn setting output voltage of primary coil and secondary coil; In addition, be installed with iron core in primary coil and secondary coil and can strengthen electromagnetic induction.
Concrete, the electric current in high voltage transmission line changes in the mode of sine wave, so its magnetic field produced also is the magnetic field of change, according to Faraday's electromagnetic induction law, when magnetic flux changes, the coil being installed with iron core will produce induction type electromotive force, and its size is:
E = n Δ Φ Δ t - - - ( 1 )
Wherein, E is induction electromotive force, and ΔΦ is magnetic flux.Suppose that primary coil and secondary coil are unity couping electromagnetic induction, ignore primary coil and secondary coil leakage inductance, have following equation according to electromagnetics basic theories:
u 1 N 1 = u 2 N 2 = d Φ d t - - - ( 2 )
i 1N 1+i 2N 2=Hl(3)
Φ=BA(4)
B=u rH(5)
Wherein, u 1, N 1, i 1and u 2, N 2, i 2be respectively the induction electromotive force of primary coil and secondary coil, coil turn and coil current; H is magnetic field intensity; L is the length of magnetic path; Φ is magnetic flux; B is magnetic induction density; A is area of core section; u rfor the relative permeability of iron core.
According to formula (2) and (4) known:
u 1 = N 1 A d B d t - - - ( 6 )
u 2 = N 2 A d B d t - - - ( 7 )
Then have:
u 2 = u 1 N 2 N 1 - - - ( 8 )
In the present embodiment, output voltage is the induction electromotive force of secondary coil, value 3.3v.
As the optimization of such scheme, the first power module also comprises the Anti-surging module for preventing dash current from damaging the first power module, and this Anti-surging module is connected with secondary coil.Close a floodgate moment at input circuit; because the initial voltage on electric capacity is zero; can form very large temporary impact electric current, this Anti-surging module can protect temperature acquisition dispensing device can not be damaged by the curent change of moment, for temperature acquisition dispensing device provides a stable power supply.
As the optimization of such scheme, the first power module also comprises the overvoltage protective module for arranging with Anti-surging model calling.The circuit overvoltage that the accidental causes such as the power line current change that this overvoltage protective module can effectively prevent to cause owing to operating a switch, closing a floodgate and thunderbolt cause; thus prevention causes harmful effect because of voltage instantaneous change to equipment, improves stability and the security of power supply.
As the optimization of such scheme, the first power module also comprises the rectifying and wave-filtering Voltage stabilizing module being connected with overvoltage protective module and arranging.The AC sinusoidal voltage that high voltage transmission line obtains first can be converted to the sinusoidal voltage of ground amplitude by described rectifying and wave-filtering Voltage stabilizing module, then carries out rectification, filtering, voltage stabilizing process to this voltage signal, is converted to DC voltage.
In the present embodiment, as shown in Figure 5, described temperature acquisition dispensing device comprise body 1, the threaded rod 2 extended by body 1, the nut 3 be arranged on threaded rod 2, for temperature sensor being fixed on the buckle 4 on wire clamp; Buckle 4 comprises the first installation portion 42 and the second installation portion 44, and described buckle 4 is sheet metal; First installation portion 42 is provided with through hole 41, and described threaded rod 2 runs through this through hole 41, and described buckle 4 is pressed between nut 3 and body 1 by nut 3; The edge of the second installation portion 44 is provided with U-type groove 45, and described second installation portion 44 utilizes the bolt 6 at wire clamp 5 node place to be pressed on wire clamp 5 node place, and described U-type groove 45 matches with described bolt 6.
Concrete, nut 3 and threaded rod 2 material are copper, can improve measuring accuracy; Meanwhile, body 1 is provided with the housing adopting soft magnetic material, and the interference of this soft magnetic material maskable external signal, further increases measuring accuracy; Buckle 4 adopts stainless steel material, has rust inhibition.
As the improvement of such scheme, buckle 4 is bending sheet metal, bending part 43 is provided with between first installation portion 42 and the second installation portion 44, the bent angle of the first installation portion 42 and bending part 43 is contrary with the bent angle direction of bending part 43 with the second installation portion 44, first installation portion 42 and the second installation portion 44 are parallel to each other, described nut 3 upper surface and the first installation portion 42 are fitted, and nut 3 lower surface and the second installation portion 44 are at grade.Now, nut 3 tightly can be fitted in wire clamp 5 surface, and observed temperature is more accurate.
When described temperature acquisition dispensing device is installed, only need loosens the bolt 6 at wire clamp 5 node place, then make the U-type groove 45 of buckle 4 coordinate with bolt 6, then tight a bolt and 6 buckle 4 can be arranged on wire clamp 5 node place together with temperature sensor.This buckle 4 simplifies the installation of temperature sensor, thus reduces the time that workman operates on electric transmission pole tower, improves installation effectiveness.
What finally illustrate is, above preferred embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model by above preferred embodiment, but those skilled in the art are to be understood that, various change can be made to it in the form and details, and not depart from the utility model claims limited range.

Claims (10)

1. a wireless temperature measurement system, is characterized in that: comprise temperature acquisition dispensing device and Portable temperature receiving/storing device, and described temperature acquisition dispensing device is arranged on wire clamp node place;
Described temperature acquisition dispensing device comprise digital temperature sensor for obtaining wire clamp Nodes temperature, for the treatment of temperature signal the first data processing module, for processed temperature data is wirelessly transmitted to Portable temperature receiving/storing device less radio-frequency sending module, be used for the first power module that temperature acquisition dispensing device is powered, described digital temperature sensor is connected with the first data processing module, and described less radio-frequency sending module is connected with the first data processing module;
Described Portable temperature receiving/storing device comprises less radio-frequency receiver module for receiving temperature data, be connected with this wireless radio frequency modules arrange the second data processing module, for the display screen of displays temperature data, the second source module for powering to Portable temperature receiving/storing device.
2. wireless temperature measurement system according to claim 1, it is characterized in that: described first power module is electric field induction power supply, described first power module comprises for the primary coil to hi-line power taking and the secondary coil for adjusting voltage, and described primary coil and secondary coil are all installed with iron core.
3. wireless temperature measurement system according to claim 2, is characterized in that: described first power module also comprises the Anti-surging module for preventing dash current from damaging the first power module, and described Anti-surging module is connected with secondary coil.
4. wireless temperature measurement system according to claim 3, is characterized in that: described first power module also comprises the overvoltage protective module for arranging with Anti-surging model calling.
5. wireless temperature measurement system according to claim 4, is characterized in that: described first power module also comprises the rectifying and wave-filtering Voltage stabilizing module being connected with overvoltage protective module and arranging.
6. wireless temperature measurement system according to claim 1, is characterized in that: described temperature acquisition dispensing device comprise body, the threaded rod extended by body, the nut be arranged on threaded rod, for temperature sensor being fixed on the buckle on wire clamp;
Described buckle comprises the first installation portion and the second installation portion, and described buckle is sheet metal;
Described first installation portion is provided with through hole, and described threaded rod runs through this through hole, and described buckle is pressed between nut and body by nut;
The edge of described second installation portion is provided with U-type groove, and described second installation portion utilizes the bolt presses at wire clamp node place at wire clamp Nodes, and described U-type groove matches with described bolt.
7. wireless temperature measurement system according to claim 6, is characterized in that: described buckle adopts stainless steel material.
8. wireless temperature measurement system according to claim 6, it is characterized in that: described buckle is bending sheet metal, bending part is provided with between described first installation portion and the second installation portion, the bent angle of described first installation portion and bending part is contrary with the bent angle direction of the second installation portion and bending part, described first installation portion and the second installation portion are parallel to each other, described nut upper surface and the first installation portion are fitted, and described nut lower surface and the second installation portion are at grade.
9. wireless temperature measurement system according to claim 6, is characterized in that: described nut and threaded rod material are copper.
10. wireless temperature measurement system according to claim 6, is characterized in that: described body is provided with the housing adopting soft magnetic material.
CN201520868446.6U 2015-11-03 2015-11-03 Wireless temperature measuring system Expired - Fee Related CN205120252U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520868446.6U CN205120252U (en) 2015-11-03 2015-11-03 Wireless temperature measuring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520868446.6U CN205120252U (en) 2015-11-03 2015-11-03 Wireless temperature measuring system

Publications (1)

Publication Number Publication Date
CN205120252U true CN205120252U (en) 2016-03-30

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Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105181160A (en) * 2015-11-03 2015-12-23 国家电网公司 Wireless temperature measurement system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105181160A (en) * 2015-11-03 2015-12-23 国家电网公司 Wireless temperature measurement system

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160330

Termination date: 20201103