CN108535595A - A kind of rail traffic traction power supply D.C. isolation tube type bus monitoring and protecting device - Google Patents
A kind of rail traffic traction power supply D.C. isolation tube type bus monitoring and protecting device Download PDFInfo
- Publication number
- CN108535595A CN108535595A CN201710117795.8A CN201710117795A CN108535595A CN 108535595 A CN108535595 A CN 108535595A CN 201710117795 A CN201710117795 A CN 201710117795A CN 108535595 A CN108535595 A CN 108535595A
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- China
- Prior art keywords
- node
- input terminal
- output end
- electrically connected
- temperature
- 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.)
- Granted
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 23
- 238000002955 isolation Methods 0.000 title claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 23
- 229910052782 aluminium Inorganic materials 0.000 claims description 23
- 239000004411 aluminium Substances 0.000 claims description 15
- 230000017525 heat dissipation Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010259 detection of temperature stimulus Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K3/00—Thermometers giving results other than momentary value of temperature
- G01K3/08—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention discloses a kind of rail traffic traction power supply D.C. isolation tube type bus monitoring and protecting devices, including bus bulk, the bottom of the connecting rod is connected with the first temperature inductor, middle part on the inside of the lower cutting ferrule is equipped with second temperature inductor, left side inside the bus bulk is electrically connected with controller, the output end of first temperature inductor is electrically connected with the input terminal of the first temperature sensor, the output end of the processor is electrically connected with the input terminal of wireless transport module, the output end of the wireless transport module is electrically connected with the input terminal of signal receiving module, the output end of the analysis module is electrically connected with the input terminal of contrast module, the output end of the contrast module is electrically connected with the input terminal of control module.The present invention has the advantages of capable of correctly monitoring bus temperature variation, solves the problems, such as that bus temperature testing result deviation hampers busbar normal use compared with conference.
Description
Technical field
The present invention relates to busbar monitoring technical field, specially a kind of rail traffic traction power supply D.C. isolation tube type bus
Monitoring and protecting device.
Background technology
Busbar refers to made of copper (copper bar) and aluminum material with high conductivity, to transmit electric energy, has and collects and divide
Product with power capability, busbar is power station or the usable total conducting wire of substation's conveying electricity, by busbar generator, transformer
Or the electrical energy transportation that rectifier exports is to each user or other electric substations.
Busbar during use, due to the continuous transmission of electric power, will produce certain temperature, when busbar makes on busbar
When with breaking down, the temperature on busbar also will produce variation, at present busbar using when the temperature on busbar can be supervised
It surveys, observes the behaviour in service of busbar by monitoring the temperature of busbar, existing monitoring device is when monitoring bus temperature, 1 year four
Temperature change in season influences whether the temperature detection of busbar, when the detection of temperature occur deviation it is excessive when, influence whether to monitor
Protection of the device to busbar, to which the normal use of busbar can be hampered.
Invention content
The purpose of the present invention is to provide a kind of rail traffic traction power supply D.C. isolation tube type bus monitoring and protecting device,
Have the advantages of capable of correctly monitoring bus temperature variation, solves bus temperature testing result deviation and hamper busbar compared with conference
The problem of normal use.
To achieve the above object, the present invention provides the following technical solutions：A kind of rail traffic traction power supply D.C. isolation pipe
Type busbar monitoring and protecting device, including bus bulk, the outside of the bus bulk are equipped with insulating layer, the bus bulk it is interior
Side is equidistant to be equipped with cable, and the middle part on the outside of the bus bulk is equidistant to be arranged with heat conduction aluminum strip, the heat conduction aluminum strip
Outside is socketed with radiation aluminium set, and the both sides of the heat dissipation aluminium set are equipped with temperature-detecting device, and the temperature-detecting device includes
Upper cutting ferrule and lower cutting ferrule, the bottom on the inside of the upper cutting ferrule are connected with connecting rod, and bus bulk is run through in the bottom of the connecting rod
And the middle part on the inside of bus bulk is extended to, the bottom of the connecting rod is connected with the first temperature inductor, in the lower cutting ferrule
The middle part of side is equipped with second temperature inductor, and the bottom of the upper cutting ferrule both sides is respectively connected with the first link block, and described first connects
The top for connecing block is equipped with fastening bolt, and the second link block, second link block are respectively connected at the top of the lower cutting ferrule both sides
Bottom be equipped with nut, the bottom of the fastening bolt connect through the first link block with the second link block with nut thread, institute
It states the left side inside bus bulk and is electrically connected with controller, the output end and the first temperature sensor of first temperature inductor
Input terminal electrical connection, the output end of the second temperature sensor is electrically connected with the input terminal of second temperature sensor, described
First temperature inductor is electrically connected with the output end of second temperature sensor with the input terminal of processor, the output of the processor
End is electrically connected with the input terminal of wireless transport module, the output end of the wireless transport module and the input terminal of signal receiving module
Electrical connection, the output end of the signal receiving module are electrically connected with the input terminal of analysis module, and the analysis module includes analysis
Node one, analysis node two and analysis node three, the output end of the analysis module are electrically connected with the input terminal of contrast module, institute
It includes comparison node one, comparison node two and comparison node three, output end and the control mould of the contrast module to state contrast module
The input terminal of block is electrically connected, and the control module includes control node one, control node two and control node three, the control mould
The output end of block is electrically connected with the input terminal of controller.
Preferably, the output end of the analysis node one is electrically connected with the input terminal of comparison node one, the comparison node
One output end is electrically connected with the input terminal of control node one, and the reduced temperature of the comparison node one is set as 5 DEG C.
Preferably, the output end of the analysis node two is electrically connected with the input terminal of comparison node two, the comparison node
Two output end is electrically connected with the input terminal of control node two, and the reduced temperature of the comparison node two is set as 3 DEG C.
Preferably, the output end of the analysis node three is electrically connected with the input terminal of comparison node three, the comparison node
Three output end is electrically connected with the input terminal of control node three, and the reduced temperature of the comparison node three is set as 35 DEG C.
Preferably, two temperature-detecting devices are symmetric by the aluminium set that radiates.
Preferably, the upper cutting ferrule and lower cutting ferrule are arc sleeve, and cutting ferrule and lower cutting ferrule with bus bulk movable sleeve
It connects.
Compared with prior art, beneficial effects of the present invention are as follows：
1, the present invention is used cooperatively by temperature-detecting device and the aluminium set that radiates so that two temperature-detecting devices are examining
When surveying the internal temperature and external temperature of bus bulk, progress temperature detection before and after being radiated can be sleeved on radiation aluminium, from
And allow busbar in monitoring temperature, can judge the behaviour in service of busbar according to the variation of temperature, by analysis module with it is right
Than being used cooperatively for module so that analysis module, which can analyze two temperature-detecting devices, can detect bus bulk before heat dissipation
The temperature difference of outside afterwards, to judge whether busbar shape occurs when in use according to the frequency of the temperature difference outside busbar
Condition, while the temperature difference that analysis module can also be inside isolated-phase buses, to according to the frequency of busbar internal temperature differential after heat dissipation
Judge the behaviour in service of busbar, when the external temperature and internal temperature that analysis module detects single temperature-detecting device,
The frequency of external temperature and internal temperature differential can judge the behaviour in service of busbar, when the outside of two temperature-detecting devices detection
The outside and internal temperature difference frequency mistake of the frequency of temperature difference and the frequency of internal temperature differential and the detection of single temperature-detecting device
Conference influences the normal use of busbar, can reduce the service life of busbar, pass through the use of control module so that when the temperature of busbar
When the temperature deviation frequency of degree detection is larger, control module can control controller and turn off, and prevent prolonged temperature difference
The larger normal use for influencing whether busbar.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the side view of temperature-detecting device of the present invention；
Fig. 3 is the side view of present invention heat dissipation aluminium set；
Fig. 4 is present invention operation block diagram.
In figure：1 bus bulk, 2 insulating layers, 3 cables, 4 heat conduction aluminum strips, 5 heat dissipation aluminium sets, 6 temperature-detecting devices, on 61
Cutting ferrule, 62 times cutting ferrules, 63 connecting rods, 64 first temperature inductors, 65 second temperature inductors, 66 first link blocks, 67 fastenings
Bolt, 68 second link blocks, 69 nuts, 7 controllers, 8 first temperature sensors, 9 second temperature sensors, 10 processors, 11
Wireless transport module, 12 signal receiving modules, 13 analysis modules, 131 analysis nodes one, 132 analysis nodes two, 133 analysis section
Three, 14 contrast modules of point, 141 comparison nodes one, 142 compare node two, 143 and compare node three, 15 control modules, 151 controls
Node one, 152 control nodes two, 153 control nodes three.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of rail traffic traction power supply D.C. isolation cast is female
The outside of line monitoring and protecting device, including bus bulk 1, bus bulk 1 is equipped with insulating layer 2, and the inside of bus bulk 1 is equidistant
Equipped with cable 3, the middle part in the outside of bus bulk 1 is equidistant to be arranged with heat conduction aluminum strip 4, and the outside of heat conduction aluminum strip 4 is socketed with scattered
Hot aluminium set 5, two temperature-detecting devices 6 are symmetric by the aluminium set 5 that radiates, and the both sides of heat dissipation aluminium set 5 are equipped with temperature inspection
Device 6 is surveyed, is used cooperatively by temperature-detecting device 6 and heat dissipation aluminium set 5 so that two temperature-detecting devices 6 are in detection mother
When the internal temperature and external temperature of line ontology 1, temperature detection can be carried out before and after being radiated with heat dissipation aluminium set 5, to
It allows busbar in monitoring temperature, can judge the behaviour in service of busbar according to the variation of temperature, temperature-detecting device 6 is including upper
Cutting ferrule 61 and lower cutting ferrule 62, upper cutting ferrule 61 and lower cutting ferrule 62 are arc sleeve, and cutting ferrule 61 and lower cutting ferrule 62 with bus bulk 1
The bottom of pivot bush unit, 61 inside of upper cutting ferrule is connected with connecting rod 63, and the bottom of connecting rod 63 through bus bulk 1 and extends to
The bottom at the middle part of 1 inside of bus bulk, connecting rod 63 is connected with the first temperature inductor 64, and the middle part of 62 inside of lower cutting ferrule is set
There are second temperature inductor 65, the bottom of 61 both sides of upper cutting ferrule to be respectively connected with the first link block 66, the top of the first link block 66
Equipped with fastening bolt 67, the second link block 68 is respectively connected at the top of lower 62 both sides of cutting ferrule, the bottom of the second link block 68 is equipped with
Nut 69 passes through being used cooperatively for fastening bolt 67 and nut 69 so that fastening bolt 67 can control cutting ferrule with nut 69
61 elasticities being connect with lower cutting ferrule 62, consequently facilitating temperature-detecting device 6 is mounted and dismounted, the bottom of fastening bolt 67
Portion is threadedly coupled through the first link block 66 with the second link block 68 with nut 69, and the left side inside bus bulk 1 is electrically connected with
Controller 7.
The output end of first temperature inductor 64 is electrically connected with the input terminal of the first temperature sensor 8, second temperature induction
The output end of device 65 is electrically connected with the input terminal of second temperature sensor 9, the first temperature sensor 8 and second temperature sensor 9
Output end be electrically connected with the input terminal of processor 10, the input terminal of the output end and wireless transport module 11 of processor 10 is electrically connected
It connects, the output end of wireless transport module 11 is electrically connected with the input terminal of signal receiving module 12, the output of signal receiving module 12
End is electrically connected with the input terminal of analysis module 13, and analysis module 13 includes analysis node 1, analysis node 2 132 and analysis
The output end of node 3 133, analysis module 13 is electrically connected with the input terminal of contrast module 14, and contrast module 14 includes comparison node
One 141, node 2 142 and comparison node 3 143 are compared, the output end and the input terminal of control module 15 of contrast module 14 are electrically connected
Connect, control module 15 include control node 1, control node 2 152 and control node 3 153, by analysis module 13 with
Contrast module 14 is used cooperatively so that analysis module 13, which can analyze two temperature-detecting devices 6, can detect bus bulk 1
Temperature difference in the front and back outside of heat dissipation, to judge busbar whether when in use according to the frequency of the temperature difference outside busbar
There is situation, while the temperature difference that analysis module 13 can also be inside isolated-phase buses, to according to busbar after heat dissipation internal temperature
The frequency of difference is spent to judge the behaviour in service of busbar, when the external temperature that analysis module 13 detects single temperature-detecting device 6
When with internal temperature, the frequency of external temperature and internal temperature differential can judge the behaviour in service of busbar, when two temperature detections
Outside that the frequency of external temperature difference and the frequency of internal temperature differential and single temperature-detecting device 6 that device 6 detects detect and
The excessive normal use that can influence busbar of internal temperature difference frequency, can reduce the service life of busbar, analysis node 1 it is defeated
Outlet is electrically connected with the input terminal of comparison node 1, compares the input of the output end and control node 1 of node 1
The reduced temperature of end electrical connection, comparison node 1 is set as 5 DEG C, and the temperature difference between two the first temperature inductors 64 is 5
Between DEG C, the output end of analysis node 2 132 is electrically connected with the input terminal of comparison node 2 142, compares the output of node 2 142
End is electrically connected with the input terminal of control node 2 152, and the reduced temperature of the comparison node 2 142 is set as 3 DEG C, two second
Temperature difference between temperature inductor 65 is between 3 DEG C, the input of the output end and comparison node 3 143 of analysis node 3 133
The output end of end electrical connection, comparison node 3 143 is electrically connected with the input terminal of control node 3 153, compares pair of node 3 143
It it is 35 DEG C than temperature setting, the temperature difference between the first temperature inductor 64 and second temperature inductor 65 is between 35 DEG C, control
The output end of molding block 15 is electrically connected with the input terminal of controller 7, passes through the use of control module 15 so that when the temperature of busbar
When the temperature deviation frequency of detection is larger, control module 15 can control controller 7 and turn off, and prevent prolonged temperature difference
The larger normal use for influencing whether busbar.
In use, the temperature that two the first temperature inductors 64 and two second temperature inductors 65 sense is by first
Temperature sensor 8 and second temperature sensor 9 are transmitted in processor 10, and processor 10 passes through wireless transmission, analysis module 13
The temperature difference and first that the temperature that senses of two the first temperature inductors 64 of analysis, two second temperature inductors 65 sense
The temperature difference that temperature inductor 64 and second temperature inductor 65 sense, the temperature difference sensed and contrast module 14 are carried out
Comparison contrasts the frequency of temperature difference variation, and when the frequency variation of one of temperature difference is excessive, the control of control module 15 controls
Device 7 disconnects busbar.
In conclusion the rail traffic traction power supply D.C. isolation tube type bus monitoring and protecting device, passes through analysis module
13, the use of contrast module 14 and control module 15 so that busbar, being capable of basis when monitoring the temperature generated when busbar use
Busbar is protected in the variation of temperature difference, and the temperature results deviation for solving busbar monitoring interferes busbar normally to make compared with conference
The problem of using.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, by sentence " including one ... the element limited, it is not excluded that
There is also other identical elements in process, method, article or equipment including the element ".
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of rail traffic traction power supply D.C. isolation tube type bus monitoring and protecting device, including bus bulk (1), feature
It is：The outside of the bus bulk (1) is equipped with insulating layer (2), and the inside of the bus bulk (1) is equidistant to be equipped with cable
(3), middle part on the outside of the bus bulk (1) is equidistant to be arranged with heat conduction aluminum strip (4), the outer sheath of the heat conduction aluminum strip (4)
It is connected to heat dissipation aluminium set (5), the both sides of the heat dissipation aluminium set (5) are equipped with temperature-detecting device (6), the temperature-detecting device
(6) include upper cutting ferrule (61) and lower cutting ferrule (62), the bottom on the inside of the upper cutting ferrule (61) is connected with connecting rod (63), the company
The bottom of extension bar (63) is through bus bulk (1) and extends to the middle part on the inside of bus bulk (1), the bottom of the connecting rod (63)
Portion is connected with the first temperature inductor (64), and the middle part on the inside of the lower cutting ferrule (62) is equipped with second temperature inductor (65), institute
The bottom for stating cutting ferrule (61) both sides is respectively connected with the first link block (66), and the top of first link block (66) is equipped with fastening
Bolt (67) is respectively connected with the second link block (68) at the top of lower cutting ferrule (62) both sides, second link block (68)
Bottom is equipped with nut (69), and the bottom of the fastening bolt (67) is through the first link block (66) and the second link block (68) and spiral shell
Female (69) are threadedly coupled, and the internal left side of the bus bulk (1) is electrically connected with controller (7)；
The output end of first temperature inductor (64) is electrically connected with the input terminal of the first temperature sensor (8), and described second
The output end of temperature inductor (65) is electrically connected with the input terminal of second temperature sensor (9), first temperature sensor (8)
It is electrically connected with the output end of second temperature sensor (9) with the input terminal of processor (10), the output end of the processor (10)
It is electrically connected with the input terminal of wireless transport module (11), the output end and signal receiving module of the wireless transport module (11)
(12) input terminal electrical connection, the output end of the signal receiving module (12) are electrically connected with the input terminal of analysis module (13),
The analysis module (13) includes analysis node one (131), analysis node two (132) and analysis node three (133), the analysis
The output end of module (13) is electrically connected with the input terminal of contrast module (14), and the contrast module (14) includes comparison node one
(141), comparison node two (142) and comparison node three (143), output end and the control module (15) of the contrast module (14)
Input terminal electrical connection, the control module (15) includes control node one (151), control node two (152) and control node
The output end of three (153), the control module (15) is electrically connected with the input terminal of controller (7).
2. a kind of rail traffic traction power supply D.C. isolation tube type bus monitoring and protecting device according to claim 1,
It is characterized in that：The output end of the analysis node one (131) is electrically connected with the input terminal of comparison node one (141), the comparison
The output end of node one (141) is electrically connected with the input terminal of control node one (151), the comparison of the comparison node one (141)
Temperature setting is 5 DEG C.
3. a kind of rail traffic traction power supply D.C. isolation tube type bus monitoring and protecting device according to claim 1,
It is characterized in that：The output end of the analysis node two (132) is electrically connected with the input terminal of comparison node two (142), the comparison
The output end of node two (142) is electrically connected with the input terminal of control node two (152), the comparison of the comparison node two (142)
Temperature setting is 3 DEG C.
4. a kind of rail traffic traction power supply D.C. isolation tube type bus monitoring and protecting device according to claim 1,
It is characterized in that：The output end of the analysis node three (133) is electrically connected with the input terminal of comparison node three (143), the comparison
The output end of node three (143) is electrically connected with the input terminal of control node three (153), the comparison of the comparison node three (143)
Temperature setting is 35 DEG C.
5. a kind of rail traffic traction power supply D.C. isolation tube type bus monitoring and protecting device according to claim 1,
It is characterized in that：Two temperature-detecting devices (6) are symmetric by the aluminium set (5) that radiates.
6. a kind of rail traffic traction power supply D.C. isolation tube type bus monitoring and protecting device according to claim 1,
It is characterized in that：The upper cutting ferrule (61) and lower cutting ferrule (62) are arc sleeve, and cutting ferrule (61) with lower cutting ferrule (62) and busbar
Ontology (1) pivot bush unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710117795.8A CN108535595B (en) | 2017-03-01 | 2017-03-01 | Track traffic traction power supply direct current insulation tubular busbar monitoring and protecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710117795.8A CN108535595B (en) | 2017-03-01 | 2017-03-01 | Track traffic traction power supply direct current insulation tubular busbar monitoring and protecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108535595A true CN108535595A (en) | 2018-09-14 |
| CN108535595B CN108535595B (en) | 2024-02-02 |
Family
ID=63488526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710117795.8A Active CN108535595B (en) | 2017-03-01 | 2017-03-01 | Track traffic traction power supply direct current insulation tubular busbar monitoring and protecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108535595B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5319356A (en) * | 1991-08-01 | 1994-06-07 | Mitsubishi Denki Kabushiki Kaisha | Apparatus for surveillance of bus-bar temperature |
| KR101101907B1 (en) * | 2010-07-28 | 2012-01-02 | 한국전력공사 | Spacer damper and temperature monitor system of transmission line having the same |
| US20120268290A1 (en) * | 2010-11-11 | 2012-10-25 | Zhejiang Tuwei Electricity Technology Co, Ltd. | Technology and device for precisely measuring temperature of cable joint on the basis of radio frequency technique |
| CN204575201U (en) * | 2015-05-22 | 2015-08-19 | 和显泽 | Drainage thread on-line monitoring system |
| US20160299012A1 (en) * | 2013-12-06 | 2016-10-13 | Schneider Electric USA, Inc. | Temperature sensor for bolted connections |
| WO2017024924A1 (en) * | 2015-08-12 | 2017-02-16 | 清华大学 | Non-invasive high-voltage power transmission cable online automatic maintenance and defect repair system |
| CN206523585U (en) * | 2017-03-01 | 2017-09-26 | 江苏士林电气设备有限公司 | A kind of track traffic traction power supply D.C. isolation tube type bus monitoring and protecting device |
-
2017
- 2017-03-01 CN CN201710117795.8A patent/CN108535595B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5319356A (en) * | 1991-08-01 | 1994-06-07 | Mitsubishi Denki Kabushiki Kaisha | Apparatus for surveillance of bus-bar temperature |
| KR101101907B1 (en) * | 2010-07-28 | 2012-01-02 | 한국전력공사 | Spacer damper and temperature monitor system of transmission line having the same |
| US20120268290A1 (en) * | 2010-11-11 | 2012-10-25 | Zhejiang Tuwei Electricity Technology Co, Ltd. | Technology and device for precisely measuring temperature of cable joint on the basis of radio frequency technique |
| US20160299012A1 (en) * | 2013-12-06 | 2016-10-13 | Schneider Electric USA, Inc. | Temperature sensor for bolted connections |
| CN204575201U (en) * | 2015-05-22 | 2015-08-19 | 和显泽 | Drainage thread on-line monitoring system |
| WO2017024924A1 (en) * | 2015-08-12 | 2017-02-16 | 清华大学 | Non-invasive high-voltage power transmission cable online automatic maintenance and defect repair system |
| CN206523585U (en) * | 2017-03-01 | 2017-09-26 | 江苏士林电气设备有限公司 | A kind of track traffic traction power supply D.C. isolation tube type bus monitoring and protecting device |
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| Publication number | Publication date |
|---|---|
| CN108535595B (en) | 2024-02-02 |
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