CN109186808A - The temperature wireless sensor-based system of ring network cabinet - Google Patents

The temperature wireless sensor-based system of ring network cabinet Download PDF

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Publication number
CN109186808A
CN109186808A CN201811288941.4A CN201811288941A CN109186808A CN 109186808 A CN109186808 A CN 109186808A CN 201811288941 A CN201811288941 A CN 201811288941A CN 109186808 A CN109186808 A CN 109186808A
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CN
China
Prior art keywords
module
temperature
sensor
ring network
network cabinet
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.)
Pending
Application number
CN201811288941.4A
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Chinese (zh)
Inventor
单清川
程克杰
王耀民
王骏
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.)
Shao Line (suzhou) Technology Co Ltd
Original Assignee
Shao Line (suzhou) Technology 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 Shao Line (suzhou) Technology Co Ltd filed Critical Shao Line (suzhou) Technology Co Ltd
Priority to CN201811288941.4A priority Critical patent/CN109186808A/en
Publication of CN109186808A publication Critical patent/CN109186808A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00Thermometers specially adapted for specific purposes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/02Means for indicating or recording specially adapted for thermometers
    • G01K1/024Means for indicating or recording specially adapted for thermometers for remote indication
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/22Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using measurement of acoustic effects

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The present invention provides a kind of temperature wireless sensor-based systems of ring network cabinet, including data collector module (1), temperature sensor module (2);The data collector module (1) is communicated by wirelessly or non-wirelessly mode with temperature sensor module (2).The temperature wireless sensor-based system of ring network cabinet provided by the invention is realized to not visible, immesurable ring network cabinet cable connector position temperature online sensor monitoring function originally, improves the safety in utilization of ring network cabinet;Sensor therein is worked using wireless mode, and the sensor can power without using battery or other external power supplies, further improve the safety of monitoring system, compact overall structure is reasonable, is easily installed and safeguards.

Description

The temperature wireless sensor-based system of ring network cabinet
Technical field
The present invention relates to ring network cabinet fields, and in particular, to a kind of temperature wireless sensor-based system of ring network cabinet;More particularly to A kind of transformer oil surface temperature and oil condition wireless sensing system.
Background technique
The cable connector of ring network cabinet is not installed in place when leaving the factory, can be dispatched according to the electricity consumption in later period and be carried out ring network cabinet electricity The installation of cable, while the variation of the power load in later period can also be changed at cable connector.For these reasons, ring Will occur loosening due to the construction in later period or component self-defect etc. at the cable connector of net cabinet or poor contact The case where, and then cause the abnormal heating at this, if finding the anomalous variation of temperature not in time, it will further lead to entire ring The ill effect that net cabinet temperature is sharply increased or even burnt, causes negative consequence to the safe operation of distribution network.
Traditional ring network cabinet cable thermometric mode can only use infrared thermometry device or other temperature measuring equipments, to cable outside Layer temperature measures, and measured temperature differs larger with cable internal temperature, while there is lag in time.And for The cable connector position for being easiest to fever generation high temperature can not measure.
The shortcomings that conventional monitoring methods, is as follows:
1) thermometric can only measure cable outer layer temperature, and there are the temperature difference and lag with internal temperature;
2) most easily fever can not be needed most the cable connector position being monitored and carries out effective thermometric.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of temperature wireless sensor-based systems of ring network cabinet.
A kind of temperature wireless sensor-based system of the ring network cabinet provided according to the present invention, including data collector module, temperature Sensor module;
The data collector module is communicated by wirelessly or non-wirelessly mode with temperature sensor module;The temperature It passes
Sensor module includes temperature sensor, flat pad and pcb board;
The temperature sensor, flat pad are arranged on pcb board;
The temperature sensor module is arranged in ring network cabinet.
Preferably, the temperature sensor module is arranged at the cable connector of ring network cabinet.
Preferably, the collector module includes reader antenna, reader;
The reader antenna is electrically connected with reader.
Preferably, the reader includes radio receiving transmitting module, processing module, control module and communication module;
The control module receives the acquisition from communication module;
The control module control radio receiving transmitting module is communicated by reader antenna with temperature sensor module;
The transducing signal that the radio receiving transmitting module will acquire is transmitted to processing module by control module;
Transducing signal is handled and confirmed by the processing module, and processing result is transmitted to by control module Communication module.
Preferably, the height of the flat pad is greater than the height of temperature sensor.
Preferably, through-hole is provided in the temperature sensor module;
The through-hole matches with second connecting portion.
Preferably, the temperature sensor module, pcb board are annular;
The edge setting of the flat pad is jagged;
Temperature sensor is provided in the notch.
Preferably, the temperature sensor module further includes sensor antenna, SAW device;
It is electrically connected between the sensor antenna and SAW device.
Preferably, the reader sends inquiry signal by reader antenna;
The inquiry signal is transmitted to SAW device by sensor antenna;
The electromagnetic wave signal for inquiring signal is converted to mechanical wave by the SAW device;
The mechanical wave is in SAW device internal communication;
Mechanical wave is again converted to electromagnetic wave by the SAW device;
The SAW device is transmitted wirelessly by sensor antenna, generates echo-signal;
The reader antenna receives echo-signal is simultaneously transmitted to reader, and reader divides the parameter of echo-signal Analysis, and the parameter of SAW device is combined, obtain final sensing amount.
Compared with prior art, the present invention have it is following the utility model has the advantages that
1, transformer oil surface temperature provided by the invention and oil condition wireless sensing system realize to originally it is not visible, The direct-on-line of immesurable cable connector internal temperature monitors, and improves the safety in utilization of ring network cabinet.
2, the sensor in transformer oil surface temperature provided by the invention and oil condition wireless sensing system uses nothing Line mode works, and the sensor can power without using battery or other external power supplies, further improve monitoring system Safety, compact overall structure is reasonable, is easily installed and safeguards.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention, Objects and advantages will become more apparent upon:
Fig. 1 is the structural representation of planar pad chip wireless and passive temp measuring system at ring network cabinet cable connector provided by the invention Figure.
Fig. 2 is the structural schematic diagram of gasket type wireless and passive temperature transducer.
Fig. 3 is a kind of operation principle schematic diagram of temperature sensor module provided by the invention.
Fig. 4 is the structural schematic diagram of the wireless collection device in present system.
Fig. 5 is planar pad chip wireless sourceless sensor scheme of installation at ring network cabinet cable connector provided by the invention. Following table is the meaning of each appended drawing reference in Figure of description:
Collector module 1 Sensor antenna 24
Reader antenna 11 SAW device 25
Reader 12 Cable connector plug 3
Radio receiving transmitting module 121 First connecting portion 4
Processing module 122 Gasket 5
Control module 123 Cable nose 6
Communication module 124 Second connecting portion 7
Temperature sensor module 2 Newel 8
Temperature sensor 21 Bilateral casing seat 9
Flat pad 22 Inquire signal 10
Pcb board 23 Echo-signal 13
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention Protection scope.
As shown in Figure 1, a kind of temperature wireless sensor-based system of ring network cabinet provided by the invention, including data collector module 1, temperature sensor module 2;The data collector module 1 is carried out by wirelessly or non-wirelessly mode and temperature sensor module 2 Communication;The temperature sensor module 2 includes temperature sensor 21, flat pad 22 and printed circuit board (Print Circuit Board, PCB) plate 23;The temperature sensor 21, flat pad 22 are arranged on pcb board 23;The temperature Sensor module 2 is arranged in ring network cabinet.
The temperature sensor module 2 is arranged at the cable connector of ring network cabinet.
As shown in Figure 2, Figure 4 shows, the collector module 1 includes reader antenna 11, reader 12;The reader antenna 11 are electrically connected with reader 12.
The reader 12 includes radio receiving transmitting module 121, processing module 122, control module 123 and communication module 124;The control module 123 receives the acquisition from communication module 124;The control module 123 controls wireless receiving and dispatching Module 121 is communicated by reader antenna 11 with temperature sensor module 2;What the radio receiving transmitting module 121 will acquire Transducing signal is transmitted to processing module 122 by control module 123;Transducing signal is handled by the processing module 122 And confirmation, and processing result is transmitted to communication module 124 by control module 123.
The height of the flat pad 22 is greater than the height of temperature sensor 21.
As shown in figure 3, being provided with through-hole in the temperature sensor module 2;The through-hole matches with second connecting portion.
The temperature sensor module 2, pcb board 23 are annular;The edge setting of the flat pad 22 is jagged; Temperature sensor 21 is provided in the notch.
As shown in Fig. 2, the temperature sensor module 2, further includes sensor antenna 24, SAW device 25;It is described It is electrically connected between sensor antenna 24 and SAW device 25.
The reader 12 sends inquiry signal 10 by reader antenna 11;The inquiry signal 10 passes through sensor day Line 24 is transmitted to SAW device 25;The electromagnetic wave signal for inquiring signal 10 is converted to machinery by the SAW device 25 Wave;The mechanical wave is in 25 internal communication of SAW device;Mechanical wave is again converted to electricity by the SAW device 25 Magnetic wave;The SAW device 25 is transmitted wirelessly by sensor antenna 24, generates echo-signal 13;The reader antenna 11 receives echo-signals 13 are simultaneously transmitted to reader 12, and reader 12 analyzes the parameter of echo-signal 13, and combine sound The parameter of surface wave device 25 obtains final sensing amount.
The temperature wireless sensor-based system of ring network cabinet provided by the invention is further described below:
Preferably, the temperature sensor 21 is welded on the designated position on the pcb board 23 with RF antenna structures, puts down Face gasket 22 is closely connect by modes such as welding, stickup or interference fits with pcb board 23, and passes through scolding tin for flat pad 22 It is connected to the ground terminal of pcb board 23.The height of projection of flat pad 22 is greater than temperature sensor 21 to play a protective role.It is described Pcb board 23 more preferably has pcb board pcb board resistant to high temperature.
As shown in figure 5, the temperature sensor module 2 is connected by gasket 5 and first Part 4 and ring network cabinet cable bulkhead 3 are fixed at cable connector jointly.First connector 4 is preferably fastening nut.
The wireless collection device, as collector module 1 include: reader antenna 11, reader 12;Reader 12 includes Radio receiving transmitting module 121, processing module 122, control module 123 and communication module 124, the control module 123, which receives, to be come From the acquisition of communication module 124 and controls radio receiving transmitting module 121 and pass through reader antenna 11 and oil surface temperature and oil level State integrated wireless temperature sensor 2 is communicated, and the radio receiving transmitting module 121 is for passing through the transducing signal received Control module 123 is transmitted to processing module 122, and transducing signal is handled and differentiated by the processing module, and will processing As a result communication module 124 is transmitted to by control module 123.
Further explanation is carried out to the temperature wireless sensor-based system of ring network cabinet provided by the invention below:
Preferably, the temperature sensor 21 is welded on the predeterminated position on the pcb board 23 with RF antenna structures, puts down Face gasket 22 is closely connect by modes such as welding, stickup or interference fits with the pcb board 23 with RF antenna structures, and is led to It crosses scolding tin and is connected to flat pad 22 with the ground terminal of the pcb board 23 with RF antenna structures.The protrusion of flat pad 22 is high Degree is greater than temperature sensor 21 to play a protective role.
The present invention, it is preferable that temperature sensor 21 is powered without using battery or other external power supplies, and particular technique principle is such as Under:
Temperature sensor module 2, further includes SAW device 25 and sensor antenna 24, SAW device 25 and is passed Sensor antenna 24 is electrically connected, and SAW device 25 is main passive wireless sensor element, can complete electric signal and machinery The mutual conversion of wave.Reader 12 sends inquiry signal 10 by reader antenna 11, and inquiry signal 10 passes through sensor antenna 24 are transmitted to SAW device 25, and the electromagnetic wave signal for inquiring signal 10 is converted to mechanical wave i.e. sound by SAW device 25 In 25 internal communication of SAW device, the parameters such as frequency, phase of the surface acoustic wave will be influenced such as temperature surface wave by environment The influence of degree can obtain the variation of sensing amount by measuring frequency or the phase parameter of the surface acoustic wave.It has been subjected to ring The surface acoustic wave that border such as temperature influences is again converted to electromagnetic wave by SAW device 25, is wirelessly sent out by sensor antenna 24 It send, generates echo-signal 13, echo-signal 13 receives and be transmitted to reader 12 by reader antenna 11, and reader 12 is to echo The parameter of signal 13 is calculated, and combines sensitivity characteristic such as temperature characterisitic frequency or the phase of SAW device 25 with temperature The characteristic of variation, obtain final sensing amount, it can be achieved that in the present invention temperature sensor 2 function.The ginseng of SAW device 25 Number variation can be sensitive to various environment parameters by designing, such as temperature, pressure.In this technical principle, the information of wireless sensing It is included in inquiry signal 10 and echo-signal 13 with the energy of transmission, passive sensor 2 does not need any battery and supplied Electricity.
Passive sensing mode in the present invention is not limited to principle mentioned above.
The reader 12 includes radio receiving transmitting module 121, processing module 122, control module 123, communication module 124, Reader antenna 11 is electrically connected with one end of radio receiving transmitting module 121;The processing module 122, control module 123 and communication Module 124 is sequentially connected electrically;The other end of the radio receiving transmitting module 121 is electrically connected with control module 123.
The workflow of collector module 1 is as follows: control module 123 receives the acquisition from communication module 124, and Control radio receiving transmitting module 121 is communicated by reader antenna 11 with the radio temperature sensor 2 of planar pad chip, wireless receiving and dispatching The transducing signal received is transmitted to control module 123 by module 121, control module 123 transmit a signal to processing module 122 into Row processing and differentiation, processing result are transmitted to communication module 124 by control module 123 and are sent to backstage.
As shown in figure 5, the mounting means of the temperature sensor module 2 is preferably by cable bulkhead, i.e. cable connector Plug 3 and first connecting portion 4 successively unload, after temperature sensor module 2 is put into again by fastening nut and cable bulkhead successively It tightens.
The bilateral casing seat (9), newel (8), second connecting portion (7), cable nose (6), gasket (5), temperature pass Sensor module (2), first connecting portion (4) and cable connector plug (3) from ring network cabinet cable to ring network cabinet outside direction successively Connection.The second connecting portion (7) is preferably bolt.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase Mutually combination.

Claims (9)

1. a kind of temperature wireless sensor-based system of ring network cabinet, which is characterized in that including data collector module (1), temperature sensing Device module (2);
The data collector module (1) is communicated by wirelessly or non-wirelessly mode with temperature sensor module (2);
The temperature sensor module (2) includes temperature sensor (21), flat pad (22) and pcb board (23);
The temperature sensor (21), flat pad (22) are arranged on pcb board (23);
The temperature sensor module (2) is arranged in ring network cabinet.
2. the temperature wireless sensor-based system of ring network cabinet according to claim 1, which is characterized in that the temperature sensor mould Block (2) is arranged at the cable connector of ring network cabinet.
3. the temperature wireless sensor-based system of ring network cabinet according to claim 1, which is characterized in that the collector module It (1) include reader antenna (11), reader (12);
The reader antenna (11) is electrically connected with reader (12).
4. the temperature wireless sensor-based system of ring network cabinet according to claim 3, which is characterized in that reader (12) packet Include radio receiving transmitting module (121), processing module (122), control module (123) and communication module (124);
The control module (123) receives the acquisition for coming from communication module (124);
Control module (123) control radio receiving transmitting module (121) passes through reader antenna (11) and temperature sensor module (2) it is communicated;
The transducing signal that the radio receiving transmitting module (121) will acquire is transmitted to processing module by control module (123) (122);
Transducing signal is handled and confirmed by the processing module (122), and processing result is passed through into control module (123) It is transmitted to communication module (124).
5. the temperature wireless sensor-based system of ring network cabinet according to claim 1, which is characterized in that the flat pad (22) Height be greater than temperature sensor (21) height.
6. the temperature wireless sensor-based system of ring network cabinet according to claim 2, which is characterized in that the temperature sensor mould Block is provided with through-hole on (2);
The through-hole matches with second connecting portion (7).
7. the temperature wireless sensor-based system of ring network cabinet according to claim 6, which is characterized in that the temperature sensor mould Block (2), pcb board (23) are annular;
The edge setting of the flat pad (22) is jagged;
Temperature sensor (21) are provided in the notch.
8. the temperature wireless sensor-based system of ring network cabinet according to claim 1, which is characterized in that the temperature sensor mould Block (2) further includes sensor antenna (24), SAW device (25);
It is electrically connected between the sensor antenna (24) and SAW device (25).
9. the temperature wireless sensor-based system of ring network cabinet according to any one of claim 1 to 8, which is characterized in that described Reader (12) sends inquiry signal (10) by reader antenna (11);
The inquiry signal (10) is transmitted to SAW device (25) by sensor antenna (24);
The electromagnetic wave signal for inquiring signal (10) is converted to mechanical wave by the SAW device (25);
The mechanical wave is in SAW device (25) internal communication;
Mechanical wave is again converted to electromagnetic wave by the SAW device (25);
The SAW device (25) is transmitted wirelessly by sensor antenna (24), is generated echo-signal (13);
Reader antenna (11) receives echo-signal (13) is simultaneously transmitted to reader (12), and reader (12) is to echo-signal (13) parameter is analyzed, and combines the parameter of SAW device (21), obtains final sensing amount.
CN201811288941.4A 2018-10-31 2018-10-31 The temperature wireless sensor-based system of ring network cabinet Pending CN109186808A (en)

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Application Number Priority Date Filing Date Title
CN201811288941.4A CN109186808A (en) 2018-10-31 2018-10-31 The temperature wireless sensor-based system of ring network cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811288941.4A CN109186808A (en) 2018-10-31 2018-10-31 The temperature wireless sensor-based system of ring network cabinet

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Publication Number Publication Date
CN109186808A true CN109186808A (en) 2019-01-11

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109708774A (en) * 2019-01-24 2019-05-03 上海置信电气股份有限公司 A kind of passive wireless temperature sensor of gasket construction
CN109781297A (en) * 2019-01-24 2019-05-21 上海置信电气股份有限公司 A kind of Medium Voltage Switchgear cable connection terminal temperature monitoring device and method
CN110057459A (en) * 2019-05-05 2019-07-26 劭行(苏州)智能科技有限公司 The temperature detection structure of temperature wireless passive sensor and ring network cabinet

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CN107123246A (en) * 2017-04-10 2017-09-01 劭行(苏州)智能科技有限公司 Transformer oil surface temperature and oil condition wireless sensing system
CN206479261U (en) * 2016-09-20 2017-09-08 南京科睿博电气科技有限公司 Ring main unit passive and wireless temperature online monitoring system
CN206947758U (en) * 2017-06-01 2018-01-30 陕西同力电气有限公司 Power distribution cabinet with gasket type temperature sensor
CN108474695A (en) * 2015-12-21 2018-08-31 3M创新有限公司 The real time temperature of electric conductor measures
CN209197931U (en) * 2018-10-31 2019-08-02 劭行(苏州)智能科技有限公司 The temperature wireless sensor-based system of ring network cabinet

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Publication number Priority date Publication date Assignee Title
CN102645286A (en) * 2012-05-10 2012-08-22 浙江图维电力科技有限公司 Built-in ring support temperature measuring device
CN202631151U (en) * 2012-06-28 2012-12-26 河南省电力公司驻马店供电公司 Powerless and wireless online monitoring system for temperature of switch cabinet
CN108474695A (en) * 2015-12-21 2018-08-31 3M创新有限公司 The real time temperature of electric conductor measures
CN205407084U (en) * 2016-03-01 2016-07-27 北京中讯四方科技股份有限公司 Looped netowrk is connecting screw rod temperature sensor's mounting structure cashier's office in a shop
CN106052905A (en) * 2016-07-01 2016-10-26 杨志强 Annular passive contact type built-in temperature measuring device
CN206163747U (en) * 2016-08-23 2017-05-10 南京科睿博电气科技有限公司 High tension cable T type head containing passive antenna temperature sensor
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CN107123246A (en) * 2017-04-10 2017-09-01 劭行(苏州)智能科技有限公司 Transformer oil surface temperature and oil condition wireless sensing system
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109708774A (en) * 2019-01-24 2019-05-03 上海置信电气股份有限公司 A kind of passive wireless temperature sensor of gasket construction
CN109781297A (en) * 2019-01-24 2019-05-21 上海置信电气股份有限公司 A kind of Medium Voltage Switchgear cable connection terminal temperature monitoring device and method
CN109708774B (en) * 2019-01-24 2024-03-01 上海置信智能电气有限公司 Passive wireless temperature sensor with gasket structure
CN110057459A (en) * 2019-05-05 2019-07-26 劭行(苏州)智能科技有限公司 The temperature detection structure of temperature wireless passive sensor and ring network cabinet

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