CN113437711B - Wireless remote control type line test junction box - Google Patents
Wireless remote control type line test junction box Download PDFInfo
- Publication number
- CN113437711B CN113437711B CN202110586663.6A CN202110586663A CN113437711B CN 113437711 B CN113437711 B CN 113437711B CN 202110586663 A CN202110586663 A CN 202110586663A CN 113437711 B CN113437711 B CN 113437711B
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- box body
- wireless remote
- outer box
- sealing plate
- single chip
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Power Engineering (AREA)
- Selective Calling Equipment (AREA)
Abstract
The invention relates to a wireless remote control type circuit test junction box which comprises an outer box body and an inner box body, wherein a height adjusting mechanism is arranged in the outer box body, the inner box body is arranged on the height adjusting mechanism, a sealing plate is arranged on the outer box body, a locking structure is arranged between the sealing plate and the outer box body, and a solar photovoltaic assembly is arranged at the bottom end of the sealing plate; the invention has the advantages that: solar PV modules through setting up on the shrouding supplies power to the singlechip, because the continuous stability of solar PV modules power supply, can not only guarantee the continuity work of singlechip, in the time of energy-concerving and environment-protective, and can prolong whole control assembly's operating time, experimental continuation has been guaranteed, set up solar PV modules on the shrouding, because the one end of shrouding is rotated and is connected on outer box, the other end of shrouding offsets and just passes through locking structure locking with outer box, consequently, the shutting function of shrouding has been realized, need just can open locking structure through fortune dimension personnel during the use, holistic security performance has been improved.
Description
Technical Field
The invention relates to a wireless remote control type line test junction box.
Background
When a power system carries out a line worker parameter test, a strong induced voltage still exists although a line is powered off, so that the line is shorted to the ground before the test, and the safety of a tester is ensured. The traditional way all is the mode of adopting manual switch blade, testing personnel take insulating gloves to pull the switch blade, but induced voltage is very strong in some times, can produce the spark of discharging even when the switch blade closes, seriously threaten personal safety, there is the potential safety risk of certain degree, chinese patent with application number 2020222109642 discloses a portable wireless remote control's three-phase ground connection control box, when using, need place the box subaerial, realize being connected with three phase current, when meetting rainwater weather, ponding appears easily on ground, thereby the use of box has been influenced, secondly, when the power electric quantity in the box is not enough, need charge or change the power, and in the field usage, do not have power charging and stand-by power supply, lead to influencing the use of whole control box.
Disclosure of Invention
The invention aims to provide a wireless remote control type line test junction box, which can improve the installation height of the test box, ensure the continuous and stable operation of the junction box and improve the use effect of the junction box.
In order to solve the technical problems, the invention is realized by the following technical scheme: a wireless remote control type circuit test junction box comprises an outer box body and an inner box body, wherein an opening is formed in the top end of the outer box body, a height adjusting mechanism is arranged in the outer box body, the inner box body is arranged on the height adjusting mechanism, a contactor connected with a three-phase power supply is arranged in the inner box body, a control assembly for controlling the on and off of the contactor is arranged on the inner box body, the control assembly comprises a single chip microcomputer and a wireless remote controller, the single chip microcomputer is connected with the contactor, the single chip microcomputer is connected with the wireless remote controller, a sealing plate for sealing the opening is arranged on the outer box body, one end of the sealing plate is rotatably connected to the outer box body, the other end of the sealing plate is abutted against the outer box body, a locking structure is arranged between the sealing plate and the outer box body, a solar photovoltaic assembly connected with the single chip microcomputer is arranged at the bottom end of the sealing plate, and a support for supporting the sealing plate is movably connected to the outer box body in the horizontal direction, the support is provided with a pressure sensor connected with the height adjusting mechanism, the pressure sensor receives the pressure of the sealing plate and sends a control command to the height adjusting mechanism, the outer box body is provided with a grounding wire, and a connecting wire is arranged between the inner box body and the outer box body.
Preferably, the one end of shrouding is passed through the hinge and is rotated the connection on outer box, the other end of shrouding is equipped with first hasp, be equipped with the second hasp with first hasp looks adaptation on the outer box, locking structure sets up between first hasp and second hasp.
Preferably, the locking structure includes trick lock and the two-dimensional code of setting on the trick lock, all be equipped with the bar hole of installation trick lock on first hasp and the second hasp, obtain the password of opening the trick lock through scanning the two-dimensional code.
Preferably, the outer box body is provided with a horizontal electric push rod connected with the support, the support comprises a horizontal portion and a vertical portion, the horizontal portion is arranged at the top end of the vertical portion, the horizontal electric push rod is provided with a push block connected with the horizontal portion, and the pressure sensor is arranged on the horizontal portion.
Preferably, the height adjusting mechanism comprises a vertical electric push rod and a transverse plate arranged on the vertical electric push rod, a vertical sliding rail is arranged on the outer box body, a sliding block is arranged on the transverse plate, and the sliding block is arranged on the vertical sliding rail.
Preferably, the transverse plate is provided with a fixing groove for fixing the wireless remote controller.
Preferably, the closing plate is provided with a limiting block which is abutted against the bracket.
Preferably, a signal sending end is arranged on the wireless remote controller, a signal receiving end connected with the signal sending end is arranged on the single chip microcomputer, an operation key and a pause key are arranged on the wireless remote controller, and an indication label is arranged on the wireless remote controller.
Preferably, the inner box body is internally provided with a circuit board, the single chip microcomputer and the contactor are both arranged on the circuit board, the circuit board is provided with a relay, and the relay is arranged between the single chip microcomputer and the contactor.
Preferably, still be equipped with on the circuit board and report an emergency and ask for help or increased vigilance module and voltage detection module, report an emergency and ask for help or increased vigilance module and voltage detection module all link to each other with the singlechip, be equipped with the display that links to each other with the singlechip on the interior box.
In conclusion, the invention has the advantages that: the solar photovoltaic module is arranged on the sealing plate, so that the continuous work of the singlechip can be ensured, the energy is saved, the environment is protected, the working time of the whole control assembly can be prolonged, the test continuity is ensured, the solar photovoltaic module is arranged on the sealing plate, one end of the sealing plate is rotatably connected onto the outer box body, the other end of the sealing plate is abutted against the outer box body and is locked through the locking structure, the locking function of the sealing plate is realized, the locking structure can be opened only by operation and maintenance personnel during use, the integral safety performance is improved, the solar photovoltaic module is effectively protected, the service life of the solar photovoltaic module is prolonged, secondly, the opening state of the sealing plate is collected through the pressure sensor, and the inner box body is prevented from being interfered by the sealing plate when being pushed out, also guaranteed solar PV modules's operating mass with rated load, the setting of support, can play certain support function to the shrouding, solar PV modules's damage has been reduced, it sets up in the box outside through high adjustment mechanism with interior box, can improve the height of interior box when meetting surface ponding, make it not receive the influence of ponding, the result of use has been improved, finally, control opening and closing of contactor through singlechip and wireless remote controller, thereby human step to contact switch has been saved, make three-phase circuit control work input cost lower, high efficiency, the security performance is better, can furthest protect the human body not to be hurt.
Other features and advantages of the present invention will be disclosed in more detail in the following detailed description of the invention and the accompanying drawings.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic structural diagram of a wireless remote control type line test junction box according to the present invention;
FIG. 2 is a schematic structural view of the inner case of the present invention when pushed out;
FIG. 3 is a schematic view of the structure of the inner box of the present invention;
fig. 4 is a block diagram of a wireless remote control type line test junction box in use.
Reference numerals:
1 outer box, 11 earth wires, 12 second hasps, 13 horizontal electric putter, 14 ejector pads, 15 vertical slide rails, 2 inner box, 20 contactors, 21 circuit boards, 22 relays, 23 alarm modules, 24 voltage detection modules, 25 displays, 3 height adjustment mechanisms, 31 vertical electric putter, 32 transverse plates, 33 sliders, 34 fixed grooves, 4 control components, 41 singlechips, 42 wireless remote controllers, 43 signal sending ends, 44 signal receiving ends, 45 operation keys, 46 pause keys, 47 indication labels, 5 closing plates, 50 solar photovoltaic components, 51 hinges, 52 first hasps, 53 limit blocks, 6 locking structures, 60 coded locks, 61 two-dimensional codes, 7 supports, 71 pressure sensors, 72 horizontal parts, 73 parts, 8 connecting wires, 9 vertical holes.
Detailed Description
As shown in fig. 1, 2, 3 and 4, a wireless remote control type circuit testing junction box comprises an outer box body 1 and an inner box body 2, wherein an opening is arranged at the top end of the outer box body 1, a height adjusting mechanism 3 is arranged in the outer box body 1, the inner box body 2 is arranged on the height adjusting mechanism 3, a contactor 20 connected with a three-phase power supply is arranged in the inner box body 2, a control assembly 4 for controlling the on and off of the contactor 20 is arranged on the inner box body 2, the control assembly 4 comprises a single chip 41 and a wireless remote controller 42, the single chip 41 is connected with the contactor 20, the single chip 41 is connected with the wireless remote controller 42, a sealing plate 5 for sealing the opening is arranged on the outer box body 1, one end of the sealing plate 5 is rotatably connected to the outer box body 1, the other end of the sealing plate 5 is abutted against the outer box body 1, and a locking structure 6 is arranged between the sealing plate 5 and the outer box body 1, the bottom of shrouding 5 is equipped with the solar PV modules 50 that link to each other with singlechip 41, and solar PV modules 50 is prior art, and detailed explanation is not done to this embodiment, along the horizontal direction swing joint has support 7 that supports shrouding 5 on the outer box 1, be equipped with the pressure sensor 71 that links to each other with height adjusting mechanism 3 on the support 7, pressure sensor 71 receives shrouding 5's pressure and sends control command to height adjusting mechanism 3, be equipped with earth connection 11 on the outer box 1, be equipped with connecting wire 8 between interior box 2 and the outer box 1.
The solar photovoltaic component 50 arranged on the sealing plate 5 supplies power to the single chip 41, and because the continuous stability of the power supply of the solar photovoltaic component 50 can ensure the continuous work of the single chip 41, the energy is saved, the environment is protected, the working time of the whole control component 4 can be prolonged, the test continuity is ensured, the solar photovoltaic component 50 is arranged on the sealing plate 5, because one end of the sealing plate 5 is rotatably connected to the outer box 1, the other end of the sealing plate 5 is abutted against the outer box 1 and is locked by the locking structure 6, the locking function of the sealing plate 5 is realized, the locking structure 6 can be opened by operation and maintenance personnel during use, the integral safety performance is improved, the solar photovoltaic component 50 is effectively protected, the service life of the solar photovoltaic component 50 is prolonged, and secondly, the opening state of the sealing plate 5 is collected by the pressure sensor 71, guaranteed not receive the interference of shrouding 5 when interior box 2 releases, solar PV modules ' 50 operating mass has also been guaranteed, the setting of support 7, can play certain support function to shrouding 5, solar PV modules ' 50 damage has been reduced, set up in box 1 outside interior box 2 through height adjusting mechanism 3, box 2's height in can improving when meetting surface ponding, make it not receive the influence of ponding, the result of use has been improved, and is last, come opening and closing of control contactor 20 through singlechip 41 and wireless remote controller 42, thereby save the human step of going to contact switch, make three-phase circuit control work input cost lower, efficiency is higher, the security performance is better, can furthest protect the human body not hurt.
One end of the sealing plate 5 is rotatably connected to the outer box body 1 through a hinge 51, the other end of the sealing plate 5 is provided with a first hasp 52, the outer box body 1 is provided with a second hasp 12 matched with the first hasp 52, the locking structure 6 is arranged between the first hasp 52 and the second hasp 12, the hinge 51 can ensure the stability of the sealing plate 5 during rotation, the first hasp 52 and the second hasp 12 can realize quick installation of the locking structure 6 to increase the installation quality of the locking structure 6, the first hasp 52 is also convenient for opening the sealing plate 5, the locking structure 6 comprises a coded lock 60 and a two-dimensional code 61 arranged on the coded lock 60, the first hasp 52 and the second hasp 12 are respectively provided with a strip-shaped hole 9 for installing the coded lock 60, a code for opening the coded lock 60 is obtained by scanning the two-dimensional code 61, the locking structure 6 is arranged into the coded lock 60 and the two-dimensional code 61, when fortune dimension personnel or maintainer need open shrouding 5, need scan two-dimensional code 61 through cell-phone or IPAD and come to send information to managers, managers look over and check the password that the trick lock 60 was opened to fortune dimension personnel transmission after the information is errorless to avoided locking structure 6's mistake to open, secondly, the installation of sealed lock can be made things convenient for in bar hole 9, makes its sealed lock that adapts to the different grade type.
The outer box body 1 is provided with a horizontal electric push rod 13 connected with the support 7, the support 7 comprises a horizontal portion 72 and a vertical portion 73, the horizontal portion 72 is arranged at the top end of the vertical portion 73, a push block 14 connected with the horizontal portion 72 is arranged on the horizontal electric push rod 13, the pressure sensor 71 is arranged on the horizontal portion 72, the horizontal electric push rod 13 drives the support 7 to move in the horizontal direction, the driving effect is good, the push block 14 increases the contact area of the support 7 and the horizontal electric push rod 13, the moving stability of the support 7 is guaranteed, and secondly, the pressure sensor 71 is arranged on the horizontal portion 72, so that the pressure sensor 71 is not interfered with the stressed end of the support 7, and the stability of the pressure sensor 71 is guaranteed.
The height adjusting mechanism 3 comprises a vertical electric push rod 31 and a transverse plate 32 arranged on the vertical electric push rod 31, a vertical sliding rail 15 is arranged on the outer box body 1, a sliding block 33 is arranged on the transverse plate 32, the sliding block 33 is arranged on the vertical sliding rail 15, a fixing groove 34 for fixing the wireless remote controller 42 is arranged on the transverse plate 32, the height adjusting mechanism 3 is arranged into the vertical electric push rod 31 and the transverse plate 32, the lifting of the inner box body 2 is controlled by the extension and contraction of the vertical electric push rod 31, the transverse plate 32 can increase the installation area of the inner box body 2, secondly, the stability of the transverse plate 32 during lifting can be ensured by the guiding sliding of the sliding block 33 on the vertical sliding rail 15, the shaking of the inner box body 2 is reduced, finally, the wireless remote controller 42 is arranged on the transverse plate 32 through the fixing groove 34, not only the wireless remote controller 42 can be effectively protected from being damaged and lost, but also a certain linkage limiting function can be realized on the wireless remote controller 42, when interior box 2 was not released wireless remote controller 42 was in the shutting state, at this moment, singlechip 41 can't receive wireless remote controller 42's instruction, consequently, can guarantee singlechip 41's maloperation when the three phase current source installation, improved the security performance, be equipped with the stopper 53 that offsets with support 7 on shrouding 5, stopper 53's setting can effectual restriction support 7's displacement, guarantees support 7 can steady support shrouding 5, guarantees pressure sensor 71 and shrouding 5's contact efficiency, guarantees pressure sensor 71's collection efficiency.
Be equipped with signal transmitting terminal 43 on the wireless remote control 42, be equipped with the signal receiving terminal 44 that links to each other with signal transmitting terminal 43 on the singlechip 41, be equipped with operation button 45 and pause button 46 on the wireless remote control 42, and be equipped with instruction label 47 on the wireless remote control 42, signal transmitting terminal 43 and signal receiving terminal 44 can guarantee that the control command of wireless remote control 42 can be accurate transmit to singlechip 41 on, operation button 45 and pause button 46's setting can be according to actual demand and send control command to singlechip 41, make things convenient for operating personnel to operate, instruction label 47's setting, rate of accuracy when having guaranteed the operation, maloperation when having reduced control has improved the security performance.
The inner box body 2 is internally provided with a circuit board 21, the singlechip 41 and the contactor 20 are both arranged on the circuit board 21, the circuit board 21 is provided with a relay 22, the relay 22 is arranged between the singlechip 41 and the contactor 20, the arrangement of the circuit board 21 can realize the quick connection between the singlechip 41 and the contactor 20 and accurately control the connection state of the contactor 20, the contactor 20 in the embodiment adopts a controllable high-voltage contactor 20, the ground discharge of induced voltage can be realized, the relay 22 can play a certain protection role on the connection state of the contactor 20, the circuit board 21 is also provided with an alarm module 23 and a voltage detection module 24, the alarm module 23 and the voltage detection module 24 are both connected with the singlechip 41, the inner box body 2 is provided with a display 25 connected with the singlechip 41, and the voltage of the solar photovoltaic module 50 is collected in real time through the voltage detection module 24, when the voltage is smaller than the set value, the single chip 41 triggers the alarm module 23 to send an alarm prompt, so that power supply to the control component 4 when the electric quantity is too low is avoided, stable operation of the control component 4 is ensured, and damage to the control component 4 is reduced.
Other embodiments of the present invention than the preferred embodiments described above will be apparent to those skilled in the art from the present invention, and various changes and modifications can be made therein without departing from the spirit of the present invention as defined in the appended claims.
Claims (10)
1. The utility model provides a experimental junction box of wireless remote control formula circuit which characterized in that: the solar energy electric heating cabinet comprises an outer box body and an inner box body, wherein an opening is formed in the top end of the outer box body, a height adjusting mechanism is arranged in the outer box body, the inner box body is arranged on the height adjusting mechanism, a contactor connected with a three-phase power supply is arranged in the inner box body, a control assembly for controlling the on and off of the contactor is arranged on the inner box body, the control assembly comprises a single chip microcomputer and a wireless remote controller, the single chip microcomputer is connected with the contactor, the single chip microcomputer is connected with the wireless remote controller, a sealing plate for sealing the opening is arranged on the outer box body, one end of the sealing plate is rotatably connected to the outer box body, the other end of the sealing plate abuts against the outer box body, a locking structure is arranged between the sealing plate and the outer box body, a solar photovoltaic assembly connected with the single chip microcomputer is arranged at the bottom end of the sealing plate, and a support for supporting the sealing plate is movably connected to the outer box body along the horizontal direction, the support is provided with a pressure sensor connected with the height adjusting mechanism, the pressure sensor receives the pressure of the sealing plate and sends a control command to the height adjusting mechanism, the outer box body is provided with a grounding wire, and a connecting wire is arranged between the inner box body and the outer box body.
2. A wireless remote-controlled line testing junction box according to claim 1, characterized in that: the one end of shrouding passes through the hinge and rotates the connection on outer box, the other end of shrouding is equipped with first hasp, be equipped with on the outer box with the second hasp of first hasp looks adaptation, locking structure sets up between first hasp and second hasp.
3. A wireless remote-controlled line testing junction box according to claim 2, characterized in that: the locking structure comprises a coded lock and a two-dimensional code arranged on the coded lock, strip-shaped holes for installing the coded lock are formed in the first buckle and the second buckle, and a password for opening the coded lock is acquired by scanning the two-dimensional code.
4. A wireless remote-controlled line testing junction box according to claim 2, characterized in that: the outer box body is provided with a horizontal electric push rod connected with the support, the support comprises a horizontal portion and a vertical portion, the horizontal portion is arranged at the top end of the vertical portion, the horizontal electric push rod is provided with a push block connected with the horizontal portion, and the pressure sensor is arranged on the horizontal portion.
5. A wireless remote-controlled line testing junction box according to claim 1, characterized in that: the height adjusting mechanism comprises a vertical electric push rod and a transverse plate arranged on the vertical electric push rod, a vertical sliding rail is arranged on the outer box body, a sliding block is arranged on the transverse plate, and the sliding block is arranged on the vertical sliding rail.
6. The wireless remote control type line test junction box according to claim 5, wherein: and the transverse plate is provided with a fixing groove for fixing the wireless remote controller.
7. A wireless remote control type line test junction box according to claim 1, wherein: and the closing plate is provided with a limiting block which is abutted against the bracket.
8. A wireless remote-controlled line testing junction box according to claim 1, characterized in that: the wireless remote controller is provided with a signal sending end, the single chip microcomputer is provided with a signal receiving end connected with the signal sending end, the wireless remote controller is provided with an operation key and a pause key, and the wireless remote controller is provided with an indication label.
9. A wireless remote control type line test junction box according to claim 1, wherein: the inner box body is internally provided with a circuit board, the single chip microcomputer and the contactor are arranged on the circuit board, the circuit board is provided with a relay, and the relay is arranged between the single chip microcomputer and the contactor.
10. A wireless remote-controlled line testing junction box according to claim 9, characterized in that: the circuit board is also provided with an alarm module and a voltage detection module, the alarm module and the voltage detection module are both connected with the single chip microcomputer, and the inner box body is provided with a display connected with the single chip microcomputer.
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CN202110586663.6A CN113437711B (en) | 2021-05-27 | 2021-05-27 | Wireless remote control type line test junction box |
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CN202110586663.6A CN113437711B (en) | 2021-05-27 | 2021-05-27 | Wireless remote control type line test junction box |
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CN113437711B true CN113437711B (en) | 2022-08-26 |
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Family Cites Families (7)
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US20030075351A1 (en) * | 2001-10-23 | 2003-04-24 | Chung-Min Chang | Wall hanging type switch device of ceiling fan |
CN202647543U (en) * | 2012-06-29 | 2013-01-02 | 施耐德电器工业公司 | Distribution box lighting device, distribution box panel and distribution box |
CN103594985A (en) * | 2013-11-13 | 2014-02-19 | 常熟市宝华建筑装璜材料有限公司 | Junction box with temperature monitor |
US9755347B2 (en) * | 2015-12-16 | 2017-09-05 | Goodrich Corporation | Systems and devices for installing an evacuation slide actuation cable in a connection box assembly of an emergency evacuation slide and overwing door actuation system interface |
CN207691364U (en) * | 2017-11-17 | 2018-08-03 | 浙江盛安电力科技有限公司 | A kind of outdoor small-sized mobile communication broad band junction box |
CN110967625A (en) * | 2019-10-10 | 2020-04-07 | 国网浙江慈溪市供电有限公司 | Detection device for linkage of transformer substation protection pressing plate |
CN111769495A (en) * | 2020-07-08 | 2020-10-13 | 广东电网有限责任公司清远供电局 | Portable power supply junction box |
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