CN107658702A - A kind of multi-functional cabinet protection device - Google Patents
A kind of multi-functional cabinet protection device Download PDFInfo
- Publication number
- CN107658702A CN107658702A CN201711043420.8A CN201711043420A CN107658702A CN 107658702 A CN107658702 A CN 107658702A CN 201711043420 A CN201711043420 A CN 201711043420A CN 107658702 A CN107658702 A CN 107658702A
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- 238000009413 insulation Methods 0.000 claims abstract description 34
- 238000004891 communication Methods 0.000 claims abstract description 23
- 238000005259 measurement Methods 0.000 claims abstract description 9
- 238000012360 testing method Methods 0.000 claims abstract description 6
- 239000000523 sample Substances 0.000 claims description 20
- 239000012212 insulator Substances 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 238000004458 analytical method Methods 0.000 abstract description 4
- 206010039509 Scab Diseases 0.000 description 21
- 238000012423 maintenance Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
Abstract
The present invention relates to electric power tool field,Specifically a kind of multi-functional cabinet protection device,Including insulation crust,And the wire clamp being placed in insulation crust,Current sensing means,Temperature measuring equipment,Data memory module,Communication module,Timing module,Display module and button control module,Wire clamp includes conductive wire clip body,Line ball screw and ground structure,Data memory module can store the testing number of current detecting and temperature measuring equipment according to this and corresponding time data,The present apparatus is directly anchored on service cable by wire clamp,Cable can continue normal use,When needing ground connection,Open insulation crust,Grounding apparatus is directly installed on ground structure,Realize cable grounding,Flow measurement and thermometric are carried out to tested cable by current sensing means and temperature measuring equipment,And by data memory module by electric current,Temperature and the storage of corresponding time data,And data can be directly displayed by display module,It is easy to the collection of data,Export and analysis.
Description
Technical field
The present invention relates to power supply technology, specifically a kind of multi-functional cabinet protection device.
Background technology
, it is necessary to ensure that power equipment or cable run are reliable in power equipment or cable run maintenance and maintenance process
Ground connection, prevent induced voltage caused by dangerous voltage caused by incoming call suddenly or adjacent lines from being endangered to caused by human body, with
And for draining the residual charge of power cutoff device or circuit, avoid operating personnel that electric shock accidents occurs, therefore, pass through ground wire pair
It is a very important electrical safety measurement that power equipment or cable run, which carry out ground connection,.Existing low-voltage ground equipment mainly has
Two kinds of wire-clamp-type and duck-beak type, however, due to the not reserved position that can install grounding apparatus at low-tension distribution box outlet switch, and
Low-pressure line-outgoing branch is more, and adjacent low tension switch spacing is small, causes grounding apparatus not connect in low-tension distribution box directly
Ground operates, and is rushed to repair to ensure, can only sometimes carry out bus-bar earthing, disadvantage of this is that power failure range will be expanded, and
Also the safety failures such as ground short circuit easily occur.
Further, since electricity consumption level rapid growth, and load is concentrated, peak-valley difference is big, load boom period cable power supply net is held
By very big power supply pressure, distribution box, loop-network switch cabinet, cable branch box particularly used in power cable distribution system,
At the outlet switch of the power supply units such as preassembled transformer station, load, which crosses conference, causes electric current exceeded, and temperature rise is excessive, causes cable to burn
The accident with device damage is ruined, therefore it is necessary to be monitored to cable power supply net progress electric current and temperature, passes through Monitoring Data point
Analyse power load rule.At present, many old cable power supply nets, are not equipped with automatic checkout equipment, mainly by artificial
One-point measurement, this method extremely labor intensive material resources, and manual measurement randomness is larger, some measuring errors easily occurs,
But if all being changed to these cable power supply nets, cost is very big, and unactual.
The content of the invention
In order to overcome above the deficiencies in the prior art, task of the invention is to provide a kind of multi-functional cabinet protection device, the dress
Putting can be for a long time installed in the distribution box used in power cable distribution system, loop-network switch cabinet, cable branch box, prepackage type power transformation
Stand etc. at the outlet switch of power supply unit without influenceing its normal use, and can facilitate and ground connection maintenance is carried out to these circuits,
But also electric current and temperature can be monitored automatically.
The present invention is realized by following technical proposals：
A kind of multi-functional cabinet protection device, including insulation crust, and wire clamp, the current detecting dress being placed in insulation crust
Put, temperature measuring equipment, data memory module, communication module, timing module, display module and button control module, display module and
Button control module includes the display board and button for being exposed to insulation crust respectively；Wire clamp includes conductive wire clip body, line ball
Screw and ground structure, wire clip body are provided with the mistake line chamber passed through for the bare wire of tested cable, line ball screw and wire clip body
Threaded connection, one end of line ball screw were stretched into line chamber and towards the cavity wall for crossing line chamber, and ground structure is located at wire clip body
Outside and it is conductively connected with wire clip body；The data memory module can store the detection of current sensing means and temperature measuring equipment
Data and corresponding time data, communication module can export the data in data memory module, and display board can show number
According to the data in memory module, the real-time detector data of current sensing means, the real-time testing data of temperature measuring equipment, timing module
Chronometric data in one or more, button can control display content on display board by button control module.
It is preferred that the temperature measuring equipment is temperature probe；Wire clip body is provided with the thermometer hole for temperature probe insertion, uses
When temperature probe insertion thermometer hole in, measure the temperature of tested cable indirectly by wire clip body；Or, insulation crust is provided with and used
Temperature probe is fixed on support when the support of fixed temperature probe, use, and temperature probe is directly connected to tested cable
Bare wire on direct measurement be tested cable temperature.
It is preferred that in addition to monitoring, alarming module, when the detection data of the current sensing means and/or the inspection of temperature measuring equipment
When survey data exceed default alarming value, the monitoring, alarming module can be to external equipment alert.
It is preferred that the current sensing means is current transformer, the primary line cable-through hole of current transformer is for tested cable
Pass through, the current transformer is opposite structure, and the primary line cable-through hole of current transformer can be opened to facilitate tested electricity
Cable is directly put into primary line cable-through hole from side.
It is preferred that the communication module is wire communication module, wire communication module also includes being arranged on the insulation crust
The data output interface for being used to connect external equipment on surface；Or, the communication module is can be with external equipment or internet
Carry out the wireless communication module of wireless data transmission.
It is preferred that the insulation crust is opposite structure, including two opposites divide shell, the side hinge of two points of shells
Connect, opposite side is detachably connected；The first chamber for being used for placing wire clamp is provided with insulation crust and is examined for placing electric current
The second chamber of device is surveyed, first chamber and second chamber are set up in parallel, and the mistake line chamber and current sensing means of wire clamp are once
Line cable-through hole is arranged concentrically in the axial direction.
It is preferred that the first chamber is provided with the embedded structure coordinated with wire clip body, wire clip body is embedded into first chamber
In, screens and the removable cover for being used for placing current sensing means are provided with the second chamber, current sensing means is placed in card
Between position and removable cover, activity fixed plate is connected by screw with screens and fixes current sensing means.
It is preferred that the wire clamp also includes a tension disc, the side of tension disc and inserted line chamber the one of line ball screw
End is rotatably connected, and the opposite side of tension disc is the arcs of recesses structure or folding that the cavity wall of line chamber can be coordinated to compress cable
Kinking structure.
It is preferred that the wire clip body is C-shaped configuration, the cavity wall of the mistake line chamber of wire clip body, which is provided with, to be easy to place tested electricity
The unwrapping wire mouth of cable bare wire.
It is preferred that the ground structure is the earthing rod provided with mesopore, line ball screw be placed in mesopore and with wire clip body spiral shell
Line is connected, and the insulator cap for protecting earthing rod is additionally provided with insulation crust, and insulator cap divides shell to be flexibly connected with insulation, is led to
Earthing rod can be exposed or cover by crossing insulator cap.
A kind of beneficial effect of multi-functional cabinet protection device of the present invention is：The present apparatus is directly anchored to by power supply electricity by wire clamp
On cable, cable can continue normal use, it is necessary to when being grounded, and open insulation crust, grounding apparatus is directly installed in into ground structure
On, that is, cable grounding is realized, flow measurement and thermometric are carried out to tested cable by current sensing means and temperature measuring equipment, and pass through number
Electric current, temperature and corresponding time data are stored according to memory module, and data can be directly displayed by display module, just
In the collection, export and analysis of data.
Design, concrete structure and the caused effect of the present invention are described further below with reference to accompanying drawing, with abundant
Ground understands the purpose of the present invention, feature and effect.
Brief description of the drawings
Fig. 1 is a kind of structural representation of multi-functional cabinet protection device in embodiment 1；
Fig. 2 is a kind of use state reference view of multi-functional cabinet protection device in embodiment 1；
Structural representation when Fig. 3 is insulation crust open mode in Fig. 2；
Fig. 4 is the use state reference view of wire clamp in Fig. 2；
Fig. 5 is the use state reference view of wire clamp in embodiment 2
Fig. 6 is the structural representation of wire clamp in embodiment 4；
Wherein：1- insulation crusts, 11,12- divide shell, 13- first chambers, 14- second chambers, 141- screens, 142- activities
Cover plate, 151- fixed seats, 152- clapboards, 16- insulator caps, 161,162- divide cap, 2- wire clamps, 21- wire clip bodies, 211- crosses line
Chamber, 212- thermometer holes, 22- line ball bolts, 23- ground structures, 231- mesopores, 24- tension discs, 25- unwrapping wire mouths, 3- current detectings
Device, 4- temperature measuring equipments, 41- supports, 5- display modules, 51- display boards, 6- button control modules, 61- buttons, 7- data are defeated
Outgoing interface, 8- mainboards, 9- are tested cable, 91- bare wires,.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that say that the specific embodiment of description is used only for explaining the present invention herein, and
It is not used in the restriction present invention.
Embodiment 1：
As Figure 1-4, a kind of multi-functional cabinet protection device, including insulation crust 1, and the line being placed in insulation crust 1
Folder 2, current sensing means 3, temperature measuring equipment 4, data memory module, communication module, timing module, display module 5 and button control
Molding block 6, display module 5 and button control module 6 include the display board 51 and button 61 for being exposed to insulation crust 1 respectively；Line
Folder 2 includes conductive wire clip body 21, line ball screw 22 and ground structure 23, and wire clip body 21 is provided with for tested cable 9
The mistake line chamber 211 that bare wire 91 passes through, line ball screw 22 are threadedly coupled with wire clip body 21, and line was stretched into one end of line ball screw 22
It is in chamber 211 and located at the outside of wire clip body 21 and conductive with wire clip body 21 towards the cavity wall for crossing line chamber 211, ground structure 23
Connection；Data memory module can store the testing number of current sensing means 3 and temperature measuring equipment 4 according to this and corresponding time number
The data in data memory module can be exported according to, communication module, data that display board 51 can be in display data memory module,
One in the real-time detector data of current sensing means 3, the real-time testing data of temperature measuring equipment 4, the chronometric data of timing module
Kind is a variety of, and button 61 can control display content on display board 51 by button control module 6.
Temperature measuring equipment 4 is temperature probe；Insulation crust 1, which is provided with, is used to fixing the support 41 of temperature probe, surveys during use
Temperature probe is fixed on support 41, and temperature probe is directly connected to direct measurement on the bare wire 91 of tested cable 9 and is tested cable 9
Temperature.
Multi-functional cabinet protection device also includes monitoring, alarming module, when the detection data and temperature measuring equipment 4 of current sensing means 3
Detection data when exceeding default alarming value, monitoring, alarming module can be to external equipment alert.
Current sensing means 3 is current transformer, and the primary line cable-through hole of current transformer passes through for tested cable 9, electricity
Current transformer is opposite structure, and the primary line cable-through hole of current transformer can be opened to facilitate tested cable 9 directly from side
Face is put into primary line cable-through hole.
Communication module is wire communication module, and wire communication module also includes being arranged on the surface of insulation crust 1 and is used to connect
Connect the data output interface 7 of external equipment.
Insulation crust 1 is opposite structure, including two opposites divide shell 11,12, the side hinge of two points of shells 11,12
Connect, opposite side is detachably connected by buckle structure；The first chamber 13 for being used for placing wire clamp 2 is provided with insulation crust 1
With the second chamber 14 for placing current sensing means 3, first chamber 13 and second chamber 14 are set up in parallel, the mistake of wire clamp 2
The primary line cable-through hole of line chamber 211 and current sensing means 3 is arranged concentrically in the axial direction.
First chamber 13 is provided with the embedded structure coordinated with wire clip body 21, and wire clip body 21 is embedded into first chamber 13
In, screens 141 and the removable cover 142 for being used for placing current sensing means 3, current sensing means 3 are provided with second chamber 14
Be placed between screens 141 and removable cover 142, activity fixed plate and screens 141 be connected by screw and by current sensing means 3
It is fixed.
Data memory module, communication module, timing module and monitoring, alarming module are arranged on one piece of mainboard 8, the mainboard 8
It is fixed on the madial wall of insulation crust 1, display module 5 and button control module 6 and passes through the fixed seat that is arranged on a point of shell
151 fix, and the opposite side of the fixed seat 151 is an inclined-plane, and forming one between the inclined-plane and current transformer tapers into
Space, another divides shell to be correspondingly provided with a clapboard 152, and when two points of shells 11,12 close, clapboard 151 fills in space
In and tight fit therewith, prevent buckle to be accidentally unlocked and cause two points of 11,12 points of shells to be opened.
Wire clip body 21 is C-shaped configuration, and the cavity wall of the mistake line chamber 211 of wire clip body 21, which is provided with, to be easy to place tested cable
The unwrapping wire mouth 25 of 9 bare wire 91.
Ground structure 23 is the earthing rod provided with mesopore 231, line ball screw 22 be placed in mesopore 231 and with wire clip body 21
Threaded connection, is additionally provided with the insulator cap 16 for protecting earthing rod on insulation crust 1, insulator cap 16 include two points of caps 161,
162, divide cap 161 and divide one end of cap 162 respectively with dividing shell 11, dividing shell 12 be hinged, the other end is carried out removable by buckle structure
Connection is unloaded, in the case where not opening insulation crust 1, only opens and divides cap 161 and divide cap 162, ground connection operation can be carried out, safety
It is convenient.
In use, one section of overcoat peeling of tested cable 9 is exposed into bare wire 91, this section of bare wire 91 is then placed in wire clamp
In the mistake line chamber 211 of body 21, rotation line ball screw 22, bare wire 91 was pressed in the cavity wall of line chamber 211, so as to pass through line
The present apparatus is directly anchored on service cable by folder 2, and cable can continue normal use, it is necessary to when being grounded, and open insulator cap 16,
Grounding apparatus is directly installed on ground structure 23, that is, realizes cable grounding, it is right by current sensing means 3 and temperature measuring equipment 4
Tested cable 9 carries out flow measurement and thermometric, and is stored electric current, temperature and corresponding time data by data memory module,
And data can be directly displayed by display module 5, it is easy to the collection, export and analysis of data.
Embodiment 2：
As shown in figure 5, wire clip body 21 is provided with the thermometer hole 212 for temperature probe insertion, temperature probe is inserted during use
Entering in thermometer hole 212, measure the temperature of tested cable 9 indirectly by wire clip body 21, wire clip body 21 is made up of conducting metal,
The good heat conductivity of metal, the heat of tested cable bare wire 91 can be directly transmitted to wire clip body 21, make wire clip body 21 and be tested
The temperature of cable bare wire 91 is equal or extremely close, it is possible to measures cable indirectly by measuring the temperature of wire clip body 21
The temperature of bare wire 91, and by setting thermometer hole 212 on wire clip body 21, temperature probe can be made more fully to contact
Wire clip body, temperature survey is more accurate, and temperature probe is embedded in thermometer hole, is not easy to rock or departs from, beneficial to dimension
Shield.
Embodiment 3：
Communication module is the wireless communication module that wireless data transmission can be carried out with external equipment or internet.
Embodiment 4：
As shown in fig. 6, wire clamp 2 also includes a tension disc 24, the side of tension disc 24 and inserting for line ball screw 22
One end of line chamber 211 is rotatably connected, and the opposite side of tension disc 24 is that the cavity wall that can coordinate line chamber 211 compresses cable
Arcs of recesses structure or bending structure.
Presently preferred embodiments of the present invention is given in accompanying drawing.But the present invention can realize in many different forms,
It is not limited to the embodiment described by this specification.On the contrary, the purpose for providing these embodiments is made to disclosure of the invention
The understanding of content more thorough and comprehensive.
Claims (10)
- A kind of 1. multi-functional cabinet protection device, it is characterised in that including insulation crust, and wire clamp, the electricity being placed in insulation crust Flow detection device, temperature measuring equipment, data memory module, communication module, timing module, display module and button control module, show Show that module and button control module include the display board and button for being exposed to insulation crust respectively；Wire clamp includes conductive wire clamp sheet Body, line ball screw and ground structure, wire clip body are provided with the mistake line chamber passed through for the bare wire of tested cable, line ball screw and line Body threaded connection is pressed from both sides, one end of line ball screw was stretched into line chamber and was located at wire clamp towards the cavity wall for crossing line chamber, ground structure The outside of body and it is conductively connected with wire clip body；The data memory module can store current sensing means and temperature measuring equipment Testing number according to this and corresponding time data, communication module can export the data in data memory module, display board energy The real-time detector data of data, current sensing means in display data memory module, the real-time testing data of temperature measuring equipment, meter When module chronometric data in one or more, button can be controlled on display board in display by button control module Hold.
- 2. multi-functional cabinet protection device according to claim 1, it is characterised in that the temperature measuring equipment is temperature probe；Wire clip body is provided with the thermometer hole for temperature probe insertion, during use in temperature probe insertion thermometer hole, passes through wire clamp Body measures the temperature of tested cable indirectly；Or, insulation crust is provided with and is used to fixing the support of temperature probe, thermometric during use Probe is fixed on support, and temperature probe is directly connected to the temperature that direct measurement on the bare wire of tested cable is tested cable.
- 3. multi-functional cabinet protection device according to claim 2, it is characterised in that also including monitoring, alarming module, when described When the detection data of current sensing means and/or the detection data of temperature measuring equipment exceed default alarming value, the monitoring, alarming Module can be to external equipment alert.
- 4. multi-functional cabinet protection device according to claim 1, it is characterised in that the current sensing means is Current Mutual Inductance Device, the primary line cable-through hole of current transformer pass through for tested cable, and the current transformer is opposite structure, Current Mutual Inductance The primary line cable-through hole of device can be opened to facilitate tested cable to be directly put into from side in primary line cable-through hole.
- 5. multi-functional cabinet protection device according to claim 1, it is characterised in that the communication module is wire communication mould Block, wire communication module also include the data output interface for being used to connect external equipment for being arranged on the insulation crust surface； Or, the communication module is the wireless communication module that wireless data transmission can be carried out with external equipment or internet.
- 6. according to any described multi-functional cabinet protection devices of claim 1-5, it is characterised in that the insulation crust is opposite Structure, including two opposites divide shell, and the side of two points of shells is hinged, and opposite side is detachably connected；In insulation crust Provided with for placing the first chamber of wire clamp and second chamber for placing current sensing means, first chamber and second chamber It is set up in parallel, the mistake line chamber of wire clamp and the primary line cable-through hole of current sensing means are arranged concentrically in the axial direction.
- 7. multi-functional cabinet protection device according to claim 6, it is characterised in that the first chamber is provided with and wire clip body The embedded structure of cooperation, wire clip body are embedded into first chamber, are provided with the second chamber and are used to place current detecting dress The screens put and removable cover, current sensing means are placed between screens and removable cover, and activity fixed plate passes through spiral shell with screens Nail connects and fixes current sensing means.
- 8. according to any described multi-functional cabinet protection devices of claim 1-5, it is characterised in that the wire clamp also includes a pressure Line plate, the side of tension disc are rotatably connected with one end for inserting line chamber of line ball screw, and the opposite side of tension disc is The cavity wall of line chamber can be coordinated to compress the arcs of recesses structure or bending structure of cable.
- 9. according to any described multi-functional cabinet protection devices of claim 1-5, it is characterised in that the wire clip body is C-shaped knot Structure, the cavity wall of the mistake line chamber of wire clip body are provided with the unwrapping wire mouth for being easy to place tested cable bare wire.
- 10. according to any described multi-functional cabinet protection devices of claim 1-5, it is characterised in that the ground structure be provided with The earthing rod of mesopore, line ball screw are placed in mesopore and are threadedly coupled with wire clip body, be additionally provided with insulation crust for protecting The insulator cap of earthing rod, insulator cap divide shell to be flexibly connected with insulation, can be exposed by insulator cap or cover earthing rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711043420.8A CN107658702A (en) | 2017-10-30 | 2017-10-30 | A kind of multi-functional cabinet protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711043420.8A CN107658702A (en) | 2017-10-30 | 2017-10-30 | A kind of multi-functional cabinet protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107658702A true CN107658702A (en) | 2018-02-02 |
Family
ID=61095243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711043420.8A Pending CN107658702A (en) | 2017-10-30 | 2017-10-30 | A kind of multi-functional cabinet protection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107658702A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107819214A (en) * | 2017-11-01 | 2018-03-20 | 深圳供电局有限公司 | A kind of intelligent low-voltage ground device |
| CN112433116A (en) * | 2020-11-13 | 2021-03-02 | 苏州楚焱新能源有限公司 | Power system detection communication system |
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| CN206132237U (en) * | 2016-11-11 | 2017-04-26 | 哈尔滨理工大学 | Temperature measurement warning fastener |
| CN206134981U (en) * | 2016-09-30 | 2017-04-26 | 广州番禺电缆集团有限公司 | Ground clip |
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| KR100916146B1 (en) * | 2009-02-10 | 2009-09-08 | 주식회사 아이파워 | A wireless direct thermal sensor module |
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| CN202757696U (en) * | 2012-04-20 | 2013-02-27 | 山西省电力公司大同供电分公司 | 10kV switch cabinet outgoing cable temperature measuring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107819214A (en) * | 2017-11-01 | 2018-03-20 | 深圳供电局有限公司 | A kind of intelligent low-voltage ground device |
| CN112433116A (en) * | 2020-11-13 | 2021-03-02 | 苏州楚焱新能源有限公司 | Power system detection communication system |
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