CN210294498U - Distribution network remote transmission type live monitoring device - Google Patents
Distribution network remote transmission type live monitoring device Download PDFInfo
- Publication number
- CN210294498U CN210294498U CN201920915675.7U CN201920915675U CN210294498U CN 210294498 U CN210294498 U CN 210294498U CN 201920915675 U CN201920915675 U CN 201920915675U CN 210294498 U CN210294498 U CN 210294498U
- Authority
- CN
- China
- Prior art keywords
- unit
- half body
- shell
- cable
- acquisition unit
- 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.)
- Active
Links
- 238000012806 monitoring device Methods 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 title claims description 10
- 238000004891 communication Methods 0.000 claims abstract description 23
- 229910052751 metal Inorganic materials 0.000 claims description 29
- 239000002184 metal Substances 0.000 claims description 29
- 230000005611 electricity Effects 0.000 claims description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 239000011889 copper foil Substances 0.000 claims description 5
- 230000010267 cellular communication Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 12
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000003745 diagnosis Methods 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 230000006870 function Effects 0.000 abstract description 3
- 230000008447 perception Effects 0.000 abstract description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Images
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model relates to a join in marriage net monitoring technology field, a join in marriage net teletransmission type electrified monitoring devices, it includes the electric current acquisition unit and gets the electric coil, vertically install the electric current acquisition unit respectively and get the electric coil in the inside left and right sides of shell body, voltage acquisition unit, remote communication unit, electrical unit, positioning unit and total accuse unit all set up inside last casing, get the electric coil and be connected with electrical unit and voltage acquisition unit respectively, the electric current acquisition unit, electrical unit, voltage acquisition unit and positioning unit all with total accuse unit connection, total accuse unit and remote communication unit connection. The utility model discloses can the direct mount on the cable to send to remote control room or mobile terminal through the remote communication unit after data acquisition, cable real-time status analysis, be favorable to the staff to master the circuit situation at any time, for circuit body perception, initiative prediction early warning, supplementary diagnosis decision-making and intensive fortune are examined the management and control function and are provided omnidirectional data and technical support.
Description
Technical Field
The utility model relates to a join in marriage net monitoring technology field is a join in marriage net teletransmission type electrified monitoring devices.
Background
At present, can join in marriage the device that net distribution line way intelligent monitoring such as net distribution line way voltage, current isoparametric collection, fault judgement can be carried out in the net and mostly be various electric wire netting sensors, and electric wire netting sensor can play the effect of line monitoring, but simple structure, and the life-span is short, and is unstable, easily receives external environment influence to mostly do not possess the ability of teletransmission and location, can't realize data encryption and safe transmission simultaneously, system data has the risk of being invaded.
Disclosure of Invention
The utility model provides a join in marriage net teletransmission type electrified monitoring devices has overcome above-mentioned prior art not enough, and it can effectively solve the problem that can not carry out data teletransmission and location, easily receive the external environment influence that present join in marriage net electrified monitoring devices exists.
The technical scheme of the utility model is realized through following measure: a distribution network remote transmission type live monitoring device comprises an outer shell, a current acquisition unit, a power taking coil, a voltage acquisition unit, a remote communication unit, a power supply unit, a positioning unit and a general control unit, wherein the outer shell comprises an upper shell and a lower shell, the upper shell and the lower shell are detachably installed in an opposite buckling mode, the current acquisition unit and the power taking coil are respectively and longitudinally installed on the left side and the right side of the inner part of the outer shell, cable channels which are communicated from left to right are respectively arranged on the current acquisition unit and the power taking coil, the current acquisition unit is sectioned along a transverse vertical face to form an upper acquisition half body and a lower acquisition half body, a transverse section penetrates through the cable channels, the upper acquisition half body and the lower acquisition half body are respectively and correspondingly installed on the upper shell and the lower shell, the power taking coil is sectioned along the transverse vertical face to form an upper power taking half body and a lower power taking half body, the transverse section, the voltage acquisition unit, the remote communication unit, the power supply unit, the positioning unit and the master control unit are all arranged inside the upper shell, the power taking coil is respectively connected with the power supply unit and the voltage acquisition unit, the current acquisition unit, the power supply unit, the voltage acquisition unit and the positioning unit are all connected with the master control unit, and the master control unit is connected with the remote communication unit.
The following are further optimization or/and improvement of the technical scheme of the utility model:
the master control unit comprises a processing module, a clock module and a watchdog module, wherein the clock module, the watchdog module, the current acquisition unit, the power supply unit, the voltage acquisition unit and the positioning unit are all connected with the processing module, and the processing module is connected with the remote communication unit.
The encryption unit and the human-computer interface unit are arranged inside the upper shell, the indicator lamp is arranged on the lower shell, and the encryption unit, the human-computer interface unit and the indicator lamp are all connected with the processing module.
The power supply unit comprises a power supply management module and a power storage module, the power storage module is connected with the power supply management module, and the power supply management module is connected with the processing module.
The remote communication unit includes a cellular communication module and a radio frequency module.
The lower end face of the upper shell is provided with a first cable groove with a downward opening and a left-right through hole, the first cable groove is communicated with cable channels on the upper acquisition half body and the upper electricity taking half body, a second cable groove with an upward opening and a left-right through hole is arranged at a position, corresponding to the first cable groove, on the upper end face of the lower shell, the second cable groove is communicated with cable channels on the lower acquisition half body and the lower electricity taking half body, and the first cable groove and the second cable groove oppositely form cable holes for tightening cables.
The cable fastening assembly comprises a metal clamping block, a first fastening bolt and an L-shaped metal clamping fixture, a first through hole which is communicated up and down is formed in the position of the first cable groove of the lower shell, the metal clamping fixture is arranged in the through hole, the upper end of the metal clamping fixture is fixedly installed with the lower end face of the upper shell, the metal clamping block is seated on the bottom face of the metal clamping fixture, a second through hole is formed in the bottom face of the metal clamping fixture, and the top end of the first fastening bolt is fixedly installed with the bottom face of the metal clamping block through the second through hole.
And copper foils are arranged on the inner surfaces of the upper shell and the lower shell.
The upper shell and the lower shell are fastened in a buckled mode through the second fastening bolts.
The utility model discloses simple structure, it is nimble convenient to use, can the direct mount on the cable, and at data acquisition, cable real-time status analysis back sends to remote control room or mobile terminal through remote communication unit, be favorable to the staff to master the circuit situation at any time, for circuit body perception, the initiative prediction early warning, supplementary diagnosis decision-making and intensive fortune are examined the management and control function and are provided omnidirectional data and technical support, and can be after receiving all data and carry out failure analysis, confirm the roughly position that the trouble takes place, thereby provide the reference for the maintainer.
Drawings
Fig. 1 is the utility model discloses install the main structure sketch map on the cable.
Fig. 2 is a schematic view of the upper casing and the lower casing in an open state.
Fig. 3 is a schematic diagram of the circuit structure of the present invention.
The codes in the figures are respectively: the cable comprises an upper shell 1, a lower shell 2, a cable channel 3, a lower collecting half body 4, a lower electricity taking half body 5, a mounting groove 6, a cable 7, an antenna 8, an indicator light 9, a second cable groove 10, a metal clamping block 11, a first fastening bolt 12, an L-shaped metal clamping tool 13 and a second fastening bolt 14.
Detailed Description
The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.
In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention will be further described with reference to the following examples and drawings:
as shown in attached figures 1, 2 and 3, the distribution network remote transmission type live monitoring device comprises an outer shell, a current acquisition unit, a power taking coil, a voltage acquisition unit, a remote communication unit, a power supply unit, a positioning unit and a master control unit, wherein the outer shell comprises an upper shell 1 and a lower shell 2, the upper shell 1 and the lower shell 2 are buckled and detachably installed together, the current acquisition unit and the power taking coil are respectively and longitudinally installed on the left side and the right side in the outer shell, cable channels 3 which are communicated from left to right are respectively arranged on the current acquisition unit and the power taking coil, the current acquisition unit is cut along a transverse vertical surface to form an upper acquisition half body and a lower acquisition half body 4, a transverse cutting surface penetrates through the cable channels 3, the upper acquisition half body and the lower acquisition half body 4 are respectively and correspondingly installed on the upper shell 1 and the lower shell 2, the power taking coil forms an upper power taking half body and a lower power taking half, the upper electricity taking half body and the lower electricity taking half body 5 are correspondingly installed on the upper shell 1 and the lower shell 2 respectively, the voltage acquisition unit, the remote communication unit, the power supply unit, the positioning unit and the master control unit are all arranged inside the upper shell 1, the electricity taking coil is connected with the power supply unit and the voltage acquisition unit respectively, the current acquisition unit, the power supply unit, the voltage acquisition unit and the positioning unit are all connected with the master control unit, and the master control unit is connected with the remote communication unit.
The upper casing 1 and the lower casing 2 can be detachably mounted together by stainless steel bolts and can also be hinged together. The upper portion of the upper shell 1 can be made of aluminum alloy materials, the lower portion of the upper shell 1 can be made of nylon and glass fiber reinforced materials, the lower portion of the lower shell 2 can be made of aluminum alloy materials, and the upper portion of the lower shell 2 can be made of nylon and glass fiber reinforced materials.
The position of the upper end face of the upper shell 1 for installing the upper collecting half body and the upper electricity taking half body can be provided with a mounting groove 6 with a downward opening, the upper collecting half body and the upper electricity taking half body are respectively installed in the corresponding mounting grooves 6, the position of the upper end face of the lower shell 2 for installing the lower collecting half body 4 and the lower electricity taking half body 5 can be provided with a mounting groove 6 with an upward opening, and the lower collecting half body 4 and the lower electricity taking half body 5 are respectively installed in the corresponding mounting grooves 6.
The current collecting unit is a known technology in the prior art and can be an open-type current transformer, after the current collecting unit is divided into an upper collecting half body and a lower collecting half body 4, the axes of iron cores of the upper collecting half body and the lower collecting half body 4 are kept in the same straight line, so that the contact surfaces of the upper collecting half body and the lower collecting half body 4 are tight and have no air gap when the upper shell 1 and the lower shell 2 are installed in a buckling mode, and a current measuring magnetic circuit is kept stable.
The self-electricity-taking coil is made of a magnetic material with high magnetic conductivity and high magnetic induction strength, the loop magnetic resistance is reduced, and meanwhile, after the self-electricity-taking coil is divided into the upper electricity-taking half body and the lower electricity-taking half body 5, the axes of iron cores of the upper electricity-taking half body and the lower electricity-taking half body 5 are kept in the same straight line, so that the contact surfaces of the upper electricity-taking half body and the lower electricity-taking half body 5 are tight and have no air gap when the upper shell 1 and the lower shell.
The voltage acquisition unit is a conventional technology, and can be an LPV511 chip for acquiring a voltage signal of a cable; the positioning unit is the prior known technology and can be a GPS positioning module, and an antenna 8 of the GPS positioning module can be fixedly arranged at the top of the upper shell 1 and is used for determining the position of the utility model; the master control unit is used for acquiring and processing the acquired data; the remote communication unit is used for the master control unit to communicate with a remote control room or a mobile terminal, so that a worker can acquire the data acquired by the utility model; the power supply unit is used for storing the electric quantity acquired by the power taking coil and is not supplied with power by the master control unit.
The utility model discloses a use as follows:
1. placing a cable 7 in a cable channel 3 on the upper shell 1 and the lower shell 2, and then installing the upper shell 1 and the lower shell 2 in a buckling manner to enable the upper shell 1 and the lower shell 2 to tightly clamp the cable 7;
2. the current acquisition unit and the voltage acquisition unit acquire data such as current and voltage of the cable 7 and send the data to the central control unit, and the central control unit calculates the real-time state of the cable 7 according to the acquired data;
3. the master control unit sends the acquired data and the calculation and analysis result to a remote control room or a mobile terminal through the remote communication unit, so that the staff can perform application analysis such as failure.
The utility model discloses simple structure, it is nimble convenient to use, can the direct mount on cable 7, and at data acquisition, cable real-time status analysis back sends to remote control room or mobile terminal through remote communication unit, be favorable to the staff to master the circuit situation at any time, for circuit body perception, the initiative prediction early warning, supplementary diagnosis decision-making and intensive fortune are examined the management and control function and are provided omnidirectional data and technical support, and can be after receiving all data and carry out failure analysis, confirm the roughly position that the trouble takes place, thereby provide the reference for the maintainer.
The distribution network remote transmission type live monitoring device can be further optimized or/and improved according to actual needs:
as shown in fig. 3, the general control unit includes a processing module, a clock module and a watchdog module, the clock module, the watchdog module, the current collecting unit, the power supply unit, the voltage collecting unit and the positioning unit are all connected with the processing module, and the processing module is connected with the remote communication unit.
The processing module is a conventional technology, and can be an STM32L151VET6 chip, and is used for receiving collected data, processing the collected data and the like; the clock module is the prior known technology, can be STM32-RTC module, and is used for timing the processing module; the watchdog module is a known technology in the prior art, and is used for serving the timing of the processing module and maintaining the processing stability of the processing module.
As shown in fig. 1, 2 and 3, the device further comprises an encryption unit, a human-computer interface unit and an indicator light 9, wherein the encryption unit and the human-computer interface unit are arranged inside the upper shell 1, the indicator light 9 is arranged on the lower shell 2, and the encryption unit, the human-computer interface unit and the indicator light 9 are all connected with the processing module.
The encryption unit is a conventional encryption unit, and may be an SC116Y chip, configured to provide an encryption service for data transmitted by the processing module, so as to ensure security of the data; the man-machine interface unit is the prior known technology, can be an interface such as a usb and the like, and is used for debugging equipment by a worker; the pilot lamp 9 can have a plurality ofly, install respectively around casing 2 down for instruct the utility model discloses an operating condition.
As shown in fig. 3, the power supply unit includes a power supply management module and a power storage module, the power storage module is connected to the power supply management module, and the power supply management module is connected to the processing module.
The power management module is a known technology in the prior art and is used for converting electric energy acquired by the power acquisition coil into energy available for a system; the electricity storage module may employ a high energy density lithium battery for storing electrical energy.
As shown in fig. 3, the remote communication unit includes a cellular communication module and a radio frequency module.
The cellular communication module is a known technology, and is used for transmitting real-time parameters and information of a line to a remote end; the radio frequency module is a known technology in the prior art, and is used for real-time communication with the master control unit, and remote measurement transmission, wave recording waveform transmission and synchronization are carried out.
As shown in fig. 1 and 2, a first cable groove with a downward opening and a left-right through hole is formed in the lower end surface of the upper shell 1, the first cable groove is communicated with cable channels 3 on the upper collecting half body and the upper electricity taking half body, a second cable groove 10 with an upward opening and a left-right through hole is formed in the position, corresponding to the first cable groove, of the upper end surface of the lower shell 2, the second cable groove 10 is communicated with cable channels 3 on the lower collecting half body 4 and the lower electricity taking half body 5, and cable holes for clamping cables are formed in the first cable groove and the second cable groove 10 relatively.
Above-mentioned set up first cable groove and second cable groove 10, use the utility model discloses the time, when installing casing 1 and casing 2 left-hand thread down together, can put into first cable groove and second cable groove 10 with cable 7 to guarantee the seal between casing 1 and the lower casing 2, guarantee the utility model discloses data measurement's stability.
As shown in fig. 1 and 2, the cable fastening device further comprises a cable fastening assembly, the cable fastening assembly comprises a metal clamping block 11, a first fastening bolt 12 and an L-shaped metal clamping fixture 13, a first through hole which is through up and down is formed in the position of a first cable groove of the lower shell 2, the metal clamping fixture is arranged in the through hole, the upper end of the metal clamping fixture is fixedly installed with the lower end face of the upper shell 1, the metal clamping block 11 is seated on the bottom face of the metal clamping fixture, a second through hole is formed in the bottom face of the metal clamping fixture, and the top end of the first fastening bolt 12 is fixedly installed with the bottom face of the metal clamping block 11 through the.
Above-mentioned using the utility model discloses the time, cable 7 can be sat on metal fixture block 11, and when installing casing 1 and casing 2 halving down together, push up metal fixture block 11 simultaneously through first fastening bolt 12, make cable 7 step up between last casing 1 and metal fixture block 11, thereby increase the utility model discloses during the installation stability of cable 7.
As shown in fig. 1 and 2, the inner surfaces of the upper shell 1 and the lower shell 2 are both provided with copper foils.
The copper foil and the circuit have equal voltage, the equivalent capacitance can be formed between the copper foil and the ground, the discharged capacitance current is generated, and the larger the capacitance current value is, the more stable and accurate the measured electric field intensity is.
As shown in fig. 1 and 2, the device further comprises a second fastening bolt 14, and the upper shell 1 and the lower shell 2 are fastened in a buckling manner through the second fastening bolt 14.
The second fastening bolt 14 fastens the upper case 1 and the lower case 2 to each other.
Above technical feature constitutes the utility model discloses a best embodiment, it has stronger adaptability and best implementation effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.
Claims (10)
1. A distribution network remote transmission type live monitoring device is characterized by comprising an outer shell, a current acquisition unit, a power taking coil, a voltage acquisition unit, a remote communication unit, a power supply unit, a positioning unit and a master control unit, wherein the outer shell comprises an upper shell and a lower shell which are buckled and detachably arranged together, the current acquisition unit and the power taking coil are respectively and longitudinally arranged at the left side and the right side in the outer shell, cable channels which are communicated from left to right are respectively arranged on the current acquisition unit and the power taking coil, the current acquisition unit is cut along a transverse vertical face to form an upper acquisition half body and a lower acquisition half body, a transverse cutting face penetrates through the cable channels, the upper acquisition half body and the lower acquisition half body are respectively and correspondingly arranged on the upper shell and the lower shell, the power taking coil forms an upper power taking half body and a lower power taking half body along a transverse cutting face and penetrates through, the upper electricity taking half body and the lower electricity taking half body are correspondingly arranged on the upper shell and the lower shell respectively, the voltage acquisition unit, the remote communication unit, the power supply unit, the positioning unit and the master control unit are all arranged inside the upper shell, the electricity taking coil is connected with the power supply unit and the voltage acquisition unit respectively, the current acquisition unit, the power supply unit, the voltage acquisition unit and the positioning unit are all connected with the master control unit, and the master control unit is connected with the remote communication unit.
2. The distribution network remote-transmission type live monitoring device according to claim 1, wherein the master control unit comprises a processing module, a clock module and a watchdog module, the clock module, the watchdog module, the current acquisition unit, the power supply unit, the voltage acquisition unit and the positioning unit are all connected with the processing module, and the processing module is connected with the remote communication unit.
3. The distribution network remote-transmission-type live monitoring device of claim 2, further comprising an encryption unit, a human-machine interface unit and an indicator light, wherein the encryption unit and the human-machine interface unit are arranged inside the upper shell, the indicator light is arranged on the lower shell, and the encryption unit, the human-machine interface unit and the indicator light are all connected with the processing module.
4. The distribution network remote transmission type live monitoring device according to claim 2 or 3, wherein the power supply unit comprises a power supply management module and an electricity storage module, the electricity storage module is connected with the power supply management module, and the power supply management module is connected with the processing module.
5. The distribution network remote-transmission-type live monitoring device of claim 1, wherein the remote communication unit comprises a cellular communication module and a radio frequency module.
6. The distribution network remote-transmission-type live monitoring device of claim 1, wherein a first cable groove with a downward opening and a left-right through hole is formed in the lower end face of the upper shell, the first cable groove is communicated with cable channels in the upper acquisition half body and the upper electricity taking half body, a second cable groove with an upward opening and a left-right through hole is formed in the position, corresponding to the first cable groove, of the upper end face of the lower shell, the second cable groove is communicated with cable channels in the lower acquisition half body and the lower electricity taking half body, and cable holes for clamping cables are formed in the first cable groove and the second cable groove in an opposite mode.
7. The distribution network remote-transmission type live monitoring device of claim 6, further comprising a cable fastening assembly, wherein the cable fastening assembly comprises a metal clamping block, a first fastening bolt and an L-shaped metal clamping fixture, a first through hole which is vertically communicated is formed in the first cable groove of the lower shell, the metal clamping fixture is arranged in the through hole, the upper end of the metal clamping fixture is fixedly installed with the lower end face of the upper shell, the metal clamping block is seated on the bottom face of the metal clamping fixture, a second through hole is formed in the bottom face of the metal clamping fixture, and the top end of the first fastening bolt is fixedly installed with the bottom face of the metal clamping block through the second through hole.
8. The distribution network remote-transmission-type live monitoring device according to claim 1, 2, 3, 5, 6 or 7, wherein the inner surfaces of the upper shell and the lower shell are both provided with copper foils.
9. The distribution network remote-transmission-type live monitoring device according to claim 1, 2, 3, 5, 6 or 7, wherein a second fastening bolt capable of fastening the upper shell and the lower shell in a buckling manner is arranged on the lower shell.
10. The distribution network remote-transmission-type live monitoring device according to claim 8, further comprising a second fastening bolt, wherein the upper shell and the lower shell are fastened by buckling through the second fastening bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920915675.7U CN210294498U (en) | 2019-06-18 | 2019-06-18 | Distribution network remote transmission type live monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920915675.7U CN210294498U (en) | 2019-06-18 | 2019-06-18 | Distribution network remote transmission type live monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210294498U true CN210294498U (en) | 2020-04-10 |
Family
ID=70097146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920915675.7U Active CN210294498U (en) | 2019-06-18 | 2019-06-18 | Distribution network remote transmission type live monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210294498U (en) |
-
2019
- 2019-06-18 CN CN201920915675.7U patent/CN210294498U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2747378C (en) | Data collecting connection | |
| CN109238449B (en) | Multichannel noise remote wireless monitoring device | |
| CN109599940A (en) | A kind of distribution transforming status remote monitoring system and method based on LPWAN | |
| EP3623822A1 (en) | Redundant current sampling assembly | |
| CN112968336A (en) | Manufacturing method of intelligent monitoring power distribution network grounding rod | |
| CN210294498U (en) | Distribution network remote transmission type live monitoring device | |
| CN212989532U (en) | Overhead line distribution network fault indicator | |
| CN210953134U (en) | Wireless temperature measuring device for high-voltage cable connector | |
| CN104483534A (en) | Intelligent monitoring alarm for grounding current of transformer core | |
| CN205561899U (en) | Online real -time supervision teletransmission system of contact high voltage electricity parameter | |
| CN110907743A (en) | Temperature and corona monitoring system for power transmission line cable and hardware fitting and working method thereof | |
| CN110823394A (en) | Online temperature measurement system for strain clamp of power transmission line and temperature measurement device thereof | |
| CN111207845A (en) | Wireless temperature on-line monitoring and early warning system | |
| CN216526121U (en) | Multifunctional cable comprehensive detector | |
| CN214280226U (en) | Integrated intelligent grounding box device | |
| CN206095461U (en) | Cable joint temperature measurement system | |
| CN210657142U (en) | Transformer substation grounding device cathodic protection potential detection system | |
| CN218068263U (en) | Potential transformer hazard discharge online monitoring device | |
| CN218211419U (en) | Grounding circulation monitoring system | |
| CN206593766U (en) | Contact net electrically connects temperature on-line monitoring device | |
| CN217901892U (en) | Power loss sensor | |
| CN114113892B (en) | Cable connector lead sealing detection device and method | |
| CN216362261U (en) | External interface type distribution network feeder line terminal device | |
| CN209858687U (en) | Comprehensive signal acquisition sensor applied to cable partial discharge detection | |
| CN215179856U (en) | Crane beam structure safety monitoring device with self-powered power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |