CN103915793B - A kind of signal monitoring lightning prevention junction cabinet and implementation method - Google Patents
A kind of signal monitoring lightning prevention junction cabinet and implementation method Download PDFInfo
- Publication number
- CN103915793B CN103915793B CN201410161898.0A CN201410161898A CN103915793B CN 103915793 B CN103915793 B CN 103915793B CN 201410161898 A CN201410161898 A CN 201410161898A CN 103915793 B CN103915793 B CN 103915793B
- Authority
- CN
- China
- Prior art keywords
- module
- lightning
- acquisition
- separating support
- wire
- 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
Landscapes
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The present invention discloses a kind of signal monitoring lightning prevention junction cabinet used in railway machinery signal cabin and implementation method, include shell and the wire separating support with connection outdoor equipment and indoor equipment is set in shell, the lightning-protection module that signal line is protected in connection on wire separating support and the acquisition module that signal line is monitored.Signal monitoring lightning prevention junction cabinet of the invention by lightning protection, monitoring point design on wire separating support, avoid indoor equipment monitoring wiring it is in disorder, interfere with each other；Make lightning prevention junction cabinet that there is separated time, lightning protection, monitoring function；Acquisition module is monitored signal line at wire separating support to signal line, can the electric current of the monitored route to acquisition promptly and accurately, power supply, switching value information and handle, the data monitored are analyzed by harvester module, early warning and alarm can be carried out to potential faults in advance, to facilitate the rapid positioning of indoor and outdoor failure, the delay time at stop of electric equipment maintenance processing is reduced.
Description
Technical field
The present invention discloses a kind of signal monitoring lightning prevention junction cabinet, especially a kind of letter used in railway signal mechanical room
Number monitoring lightning prevention junction cabinet.
Background technique
The normal operation of train needs to obtain correct signal and instruction, these signals and instruction are existed by setting
Signal mechanical indoor equipment is completed on or near railroad track and in railway station；These equipment must be correct, reliable
Execute instruction and transmit signal, could ensure the normal operation of train, it is therefore desirable to effectively be protected these equipment
And monitoring.Past, the signal wire of all outdoor equipments reconnect corresponding indoor equipment, these signal wires by noseplate
Road does not carry out lightning protection, and equipment is caused often to be damaged, there is lightning prevention junction cabinet later, to entering the room at noseplate
The case where signal wire concentrates lightning protection, and equipment is damaged by thunder and lightning makes moderate progress；But the not reserved monitoring of lightning prevention junction cabinet is adopted
Collect interface, lightning prevention junction cabinet cannot be monitored signal line and/or signalling arrangement.
Outdoor equipment service entrance cable passes through noseplate, is connected on corresponding combined bay, present monitoring system is set to various
The collection point that standby signal is monitored, all takes item from the combined side terminal of each combined bay in addition to power supply test and Insulation test
Part can not carry out concentrated collection to all devices since every kind of signalling arrangement has used different combined bays.
Since current rail signal and its separated time of equipment, protection are dispersed in different places from acquisition, do not concentrated
There is acquisition sensor position dispersion in acquisition, acquisition analog quantity information is single, and wiring construction is complicated, chaotic, and gathering line is indoors
It may interfere with each other, lead to the statuses such as the fault message inaccuracy of monitoring, and exist and potential faults cannot be carried out in advance
The problems such as early warning and alarm.It is unfavorable for timely to field service personnel, accurate processing equipment failure.
Summary of the invention
Aiming at the problem that separated time in the prior art mentioned above, lightning protection, monitoring dispersion cause, the present invention is by existing iron
Road signal lighting protection, separated time and acquisition redesign, and concentrate in together three lightning protection, separated time, monitoring functions, by indoor and outdoor
Equipment and its signal line concentrate on a little upper of noseplate and carry out lightning protection and acquisition.To facilitate the fast of indoor and outdoor failure
Speed is accurately positioned, and carries out early warning and alarm to potential faults in advance, reduces electric equipment maintenance and handles the time.
The technical solution used to solve the technical problems of the present invention is that: a kind of signal monitoring lightning prevention junction cabinet has connection
The wire separating support of outdoor equipment and indoor equipment is connected with lightning-protection module and acquisition module simultaneously on the wire separating support,
Signal line is protected and is acquired.
A kind of implementation method of signal detection lightning protection, this method are point that will connect outdoor equipment and indoor equipment signal line
Line, lightning protection and the acquisition of monitoring information concentrate at junction box realizing.
The technical scheme adopted by the invention to solve the technical problem further comprises: having inlet wire on the wire separating support
Connecting terminal is drawn in line branch terminal and outlet line branch terminal and lightning protection and connecting terminal is drawn in acquisition.
The technical scheme adopted by the invention to solve the technical problem further comprises: also reserved on the wire separating support
There is internal communication interface.
The technical scheme adopted by the invention to solve the technical problem further comprises: also setting up on the wire separating support
There is remote signalling dry contact.
The technical scheme adopted by the invention to solve the technical problem further comprises: also setting up on the wire separating support
There is discriminating pin.
The technical scheme adopted by the invention to solve the technical problem further comprises: being additionally provided with harvester module, institute
The harvester module stated carries out data communication by internal communication bus and acquisition module and manages acquisition module, logical by outside
News bus externally transmits data.
The technical scheme adopted by the invention to solve the technical problem further comprises: being additionally provided with and is carried out by harvester module
The audible and visual alarm plate of management.
The technical scheme adopted by the invention to solve the technical problem further comprises: being additionally provided with row busbar and longitudinal direction
Busbar, lateral busbar are connected with the lightning protection ground wire in wire separating support, and longitudinal busbar links lateral busbar, longitudinal to converge
It flows item and is equipped with ground wire make and break device, the state of ground wire make and break device is monitored by the harvester module.
The technical scheme adopted by the invention to solve the technical problem further comprises: the lightning-protection module and acquisition mould
Block is all hot-pluggable to be mounted on wire separating support.
The technical scheme adopted by the invention to solve the technical problem further comprises: the acquisition module can be simultaneously
To multichannel electric current, voltage, lightning-protection module remote signalling dry contact switching value is simultaneously handled simultaneously.
The technical scheme adopted by the invention to solve the technical problem further comprises: separated time is equipped in the junction box
Pedestal, the signal wire of outdoor equipment are connected on the inlet wire line branch terminal of wire separating support, and indoor equipment signal wire is connected to correspondence
Outlet line branch terminal on, and connecting terminal is drawn in lightning protection for connecting lightning-protection module and the acquisition for connecting acquisition module is drawn
Connecting terminal is separately positioned on wire separating support.
The technical scheme adopted by the invention to solve the technical problem further comprises: the lightning-protection module uses can heat
Plug-in type is connected to lightning protection and draws on connecting terminal.
The technical scheme adopted by the invention to solve the technical problem further comprises: the acquisition module is by that can pull out
Slotting mode is connected to acquisition and draws on connecting terminal.
The technical scheme adopted by the invention to solve the technical problem further comprises: acquisition is equipped in the junction box
Machine module, each acquisition module are connected by internal communication bus with harvester module, harvester module be equipped with for
The external communication bus that the machine of station is communicated.
The beneficial effects of the present invention are: signal monitoring lightning prevention junction cabinet of the invention is by lightning protection, acquisition point design in separated time
On pedestal, avoid indoor equipment acquisition wiring it is in disorder, interfere with each other；Make lightning prevention junction cabinet that there is separated time, lightning protection, acquisition function
Energy；Acquisition module is acquired signal line at wire separating support to signal line, and what can timely and accurately be obtained is monitored
Electric current, the information of voltage of route, lightning-protection module breakdown switch amount information is simultaneously handled, to make railway signal Centralizing inspection system
System can analyze collected data, can carry out early warning and alarm to potential faults in advance, to facilitate indoor and outdoor event
Rapid, the accurate positionin of barrier, reduce electric equipment maintenance and handle the time.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Detailed description of the invention
Fig. 1 is signal monitoring lightning prevention junction cabinet schematic diagram of the present invention.
Fig. 2 is another schematic diagram of signal monitoring lightning prevention junction cabinet of the present invention.
Fig. 3 is signal monitoring lighting-proof branch cabinet front schematic view of the present invention.
Fig. 4 is signal monitoring lightning prevention junction cabinet schematic rear view of the present invention.
In figure, 1- acquisition module, 2- harvester module, 3- transverse direction busbar, the longitudinal direction 4- busbar, 5- audible and visual alarm plate,
6- lightning-protection module, 7- wire separating support.
Specific embodiment
The present embodiment is the preferred embodiment for the present invention, other its all principles and basic structure are identical or close as the present embodiment
As, within that scope of the present invention.
The specific embodiment that the present invention solves the use of its technical problem is: as shown in Figure 1, a kind of signal monitoring lighting-proof branch
Cabinet includes shell and the wire separating support with connection outdoor equipment and indoor equipment is arranged in shell, in the separated time
The lightning-protection module protected signal line is connected on pedestal, and is connected on wire separating support and signal line is acquired
Acquisition module.The signal line of outdoor equipment is connected on the wire separating support on signal monitoring lightning prevention junction cabinet, then by dividing
Line pedestal is correspondingly connected with respective chambers equipment, connects upper lightning-protection module on this wire separating support, lightning-protection module with by protective wire
The distance on road is most short, can effectively protect to the route.Meanwhile acquisition module is connected on wire separating support, to process
Signal line be acquired, monitor, the voltage, electric current and lightning-protection module failure that can accurately obtain signal line are opened
The information such as pass amount, understand in time, judge the working condition of associate device；Lightning-protection module and acquisition module are all connected directly between separated time
On pedestal, three separated time, lightning protection, acquisition function concentrations are integrated, a completely new signal monitoring lightning prevention junction cabinet is formed, keeps away
Wiring is in disorder, interferes with each other when having exempted from indoor equipment lightning protection, having acquired, and can be convenient the rapid positioning of indoor and outdoor failure, reduces electricity
Be engaged in the maintenance process time, these good effects this be that previous any equipment did not had.Incorporated by reference to referring to attached drawing 3, such as Fig. 3 institute
Show, in the present embodiment, signal monitoring lightning prevention junction cabinet may be disposed so that 9 layers of wire separating support layer, every layer of settable 13 wire separating support
And its corresponding lightning-protection module and acquisition module, while it being additionally provided with power supply zero layer in lowest level, for powering.Certain signal monitoring
The number of plies being arranged in lightning prevention junction cabinet and the wire separating support quantity of every layer of setting, can flexibly change according to actual conditions.This
Outside, one layer of other facility of placement harvester module and power supply etc. is separately provided.
There are enter line side and outgoing line side line branch terminal in the present embodiment, on wire separating support, enter line side line branch terminal is for outdoor
The access of equipment service entrance cable, outgoing line side line branch terminal are used for the access of indoor equipment cable, enter line side line branch terminal and outlet
Side line branch terminal links together.In the present embodiment, by taking six groups of disengaging line branch terminals as an example, structure of the invention is carried out specifically
It is bright, six groups of inlet wire line branch terminals and six groups of outlet line branch terminals are set on wire separating support, it can be achieved that six-cable interior
Outer separated time, in the present embodiment, every group of line branch terminal (including inlet wire line branch terminal and outlet line branch terminal) is made into duplex terminal (i.e.
Redundancy Design), facilitate doubling to carry out the daily maintenance works such as line test inspection.In the present embodiment, line branch terminal is for convenience of spirit
Reliable wiring living, which draws, to be connect, and the common cage spring connection terminal of railway signal can be used, it is possible to use screw fastens terminal etc.
Other kinds of small-sized connecting terminal.In the present embodiment, it is additionally provided on pedestal for detecting enter line side line branch terminal and outlet
The current sensor of electric current between the line branch terminal of side.
In the present embodiment, lightning protection is set between the enter line side on wire separating support and outgoing line side line branch terminal and draws connecting terminal,
Lightning-protection module is connected to lightning protection and draws on connecting terminal, and on the one hand the shortest distance of realization lightning-protection module and protected device cable, which is drawn, connects
Function, can be quoted from any point between line branch terminal inlet wire and outlet, such as line branch terminal enter line side, line branch terminal outlet
Side, or in which any point；Lightning protection ground wire leading-out terminal is set on wire separating support, and lightning-protection module, which is connected across lightning protection and draws, connects end
Between son and lightning protection ground wire leading-out terminal, realize that the shortest distance of lightning-protection module and lightning protection line draws connection function, with as far as possible
Reduce induced potential when lightning surge overcurrent is released.In the present embodiment, lightning-protection module draws with the lightning protection on wire separating support to be connect
Terminal is plug type connection, when lightning-protection module breaks down, is conducive to replace module.Connecting terminal is drawn in lightning-protection module and lightning protection
Connection type be not limited to the present embodiment can plug mode, also can be used that welding, riveting etc. are any can be by lightning-protection module
It fixes and is connected to by the mode of protection signal line.
In the present embodiment, remote signalling dry contact is additionally provided on wire separating support, the remote signalling dry contact is for detecting lightning protection
Module it is in place or whether be it is good, in the present embodiment, the exportable two states of remote signalling dry contact, i.e., when lightning-protection module is bad
Change is not a kind of state in place, and lightning-protection module is another kind state in place and well, is prevented for being introduced into acquisition module and realizing
Whether thunder module in place or the detection of deterioration, and lightning-protection module is backward or by changing to not in place in place when passes through a mechanical linkage
The state overturning of remote signalling dry contact is triggered, three groups of remote signalling dry contacts can be set in each wire separating support.It is described distant in the present embodiment
Believe that dry contact is a kind of dry Node Switch of exportable two states, it is of course also possible to be other types of with two states
Passive device.Remote signalling dry contact draws connecting terminal by acquisition and is connected with acquisition module.
In the present embodiment, discriminating pin is additionally provided on the wire separating support, discriminating pin cooperates lightning-protection module to use, can be real
Anti-misplug between existing different size model lightning-protection module and wire separating support designs, and each lightning-protection module uses two discriminating pins, often
A discriminating pin has six kinds of directions, that is, can distinguish 36 kinds of lightning-protection modules in total.
In the present embodiment, draw connecting terminal in the acquisition that wire separating support is provided with for connecting acquisition module.Acquisition module is logical
It crosses acquisition and draws electric current, voltage of the connecting terminal realization to collected signal route, lightning-protection module fault detection remote signalling on wire separating support
The acquisition of dry contact switching value.The acquisition of collection voltages draws connecting terminal and is located on inlet wire line branch terminal or outlet line branch terminal or sets
It sets and is ok between inlet wire line branch terminal and outlet line branch terminal, the acquisition for acquiring electric current is drawn connecting terminal and is arranged in pedestal
On current sensor lead-out wire, collected signal cable passes through but is not connected to current sensor, to realize collected signal route
It is galvanically isolated acquisition.In the present embodiment, also being connected with acquisition draws connecting terminal simultaneously on remote signalling dry contact, is used for remote signalling dry contact
The output switch parameter exported is to acquisition module.Internal communication bus interface socket is reserved on wire separating support simultaneously, for acquiring mould
Block is connect with harvester inside modules communication bus.Plate is carried out using European welding connector socket in the present embodiment to connect plate
Pluggable acquisition module is connect, acquisition process and the lightning-protection module to realize the analog quantitys such as plurality of voltages, multichannel electric current be not in place
Or the acquisition process of the multi-way switching values of deterioration tripping alarm.Using plate to plate can plug connection type, reduce matching for acquisition
Line, at the same favorably with the breakdown maintenance of acquisition module.Certainly, the connection type of acquisition module and wire separating support is not limited to this,
Acquisition module can be connected by lead-out wire from wire separating support, can also be connect acquisition module in separated time with modes such as welding, rivetings
It is all the range of present inventive concept as long as being acquired from wire separating support to signal line on pedestal.
The embodiment of the present invention further comprises: as shown in Fig. 2, also setting up in the signal monitoring lightning prevention junction cabinet
There is harvester module, harvester module is provided with internal communication bus and external communication bus；By wire separating support by inside
Communication bus connects acquisition module and harvester module, carries out data communication and management；Harvester module is to acquired
Information be analyzed and processed；Harvester module can also externally transmit data by external communication bus.In the present embodiment, electricity
The front of source zero layer is fixedly installed with harvester module base, and harvester module is connected to harvester module bottom by plug mode
On seat, and harvester module is electrically connected by internal bus with acquisition module, is realized by internal bus in same root
Acquisition module in portion's bus carries out data communication and management, sends the acquisition data come up to acquisition module and handles, together
When, harvester module is connect by external bus with station machine, realizes the communication with station machine by the external bus being connected with station machine
With management.Since harvester module is to the data analysis management monitored, may be implemented in advance to potential faults carry out early warning and
Alarm helps operation maintenance personnel effectively to manage signalling arrangement and ensure the normal operation of train.
In the present embodiment, audible and visual alarm plate is additionally provided in signal lighting protection junction box, audible and visual alarm plate is connected to harvester
In module, audible and visual alarm plate is controlled by harvester module, such as when the deterioration of lightning-protection module or it is not in place when, be collected module monitors
It arrives, after acquired machine resume module, issues audible and visual alarm on audible and visual alarm plate；When ground wire make and break device and ground wire disconnect,
Collected machine module monitors arrive, and issue audible and visual alarm in audible and visual alarm plate；When power failure in signal lighting protection junction box, acquisition
The control of machine module issues audible and visual alarm on audible and visual alarm plate；When acquisition module breaks down, corresponding sound can also be issued
Light alarm.In the present embodiment, it is additionally provided with noise elimination button on audible and visual alarm plate, alarm sound can be closed.
In the present embodiment, there are also lateral busbar and longitudinal busbar in signal lighting protection junction box, in the present embodiment, often
Layer wire separating support is equipped with a lateral busbar, by the lightning-protection module ground wire of same layer link together again with longitudinal busbar
It is connected, lateral busbar with the lightning protection ground wire in the wire separating support in same layer for being connected, and longitudinal busbar is for connecting
Connect all lateral busbars.Lateral busbar or longitudinal busbar in the present embodiment, made of copper or other metals
Conductor.In the present embodiment, ground wire make and break device is equipped on longitudinal busbar.Under normal circumstances, ground wire make and break device will be believed
Lightning protection ground wire in number lightning prevention junction cabinet connect conducting with external lightning protection, when to signalling arrangement insulate inspection when,
Ground wire make and break device can disconnect the lightning protection of lightning protection ground wire and outside in signal lighting protection junction box, ground wire make and break device
Disconnection and on state be monitored by the harvester module, upon opening, on audible and visual alarm plate carry out acousto-optic announcement
It is alert.
In the present embodiment, the lightning-protection module and acquisition module is all hot-pluggable is mounted on wire separating support.Lightning protection
Module and the connection type of wire separating support be can hot drawing plug-in connection can will be bad when lightning-protection module failure needs replacing
Lightning-protection module directly extract, replace with new lightning-protection module；Equally, also go out side between acquisition module and wire separating support for hot drawing
Formula connection, when acquisition module needs replacing, can it is convenient, have no effect on communication line and can complete.
The present invention protect simultaneously a kind of railway signal route monitoring acquisition, lightning protection, separated time implementation method, this method is main
Will to connect the separated time of outdoor equipment and indoor equipment, lightning protection and concentrated on to the acquisition of signal line monitoring information real at junction box
It is existing.Wherein, wire separating support is equipped in junction box, the signal wire of outdoor equipment is connected on the inlet wire line branch terminal of wire separating support,
Indoor equipment signal wire is connected on corresponding outlet line branch terminal, and the lightning protection for connecting lightning-protection module draw connecting terminal and
Acquisition for connecting acquisition module draws connecting terminal and is separately positioned on wire separating support.In the present embodiment, lightning-protection module uses can
Hot-swappable formula is connected to lightning protection and draws on connecting terminal, acquisition module by can plug mode be connected to acquisition and draw on connecting terminal.Separated time
Harvester module is equipped in cabinet, each acquisition module is connected by internal communication bus with harvester module, harvester module
It is equipped with the external communication bus for being communicated with station machine.
Lightning protection, monitoring point design on wire separating support, are avoided interior and set by signal monitoring lightning prevention junction cabinet of the invention
Standby monitoring wiring is in disorder, interferes with each other；Make lightning prevention junction cabinet that there is separated time, lightning protection, monitoring function；Acquisition module is to signal line
Signal line is monitored at wire separating support, can the monitored route to acquisition promptly and accurately electric current, power supply, switch
Amount information is simultaneously handled, and is analyzed by harvester module the data monitored, can be carried out in advance to potential faults pre-
Alert and alarm reduces the delay time at stop of electric equipment maintenance processing, harvester module logarithm to facilitate the rapid positioning of indoor and outdoor failure
After processing, the monitoring station machine in station, the convenient long-range prison to equipment can be transferred information to by external communication bus
Control and management.
Claims (6)
1. a kind of signal monitoring lightning prevention junction cabinet, includes shell and being arranged in shell, there is connection outdoor equipment and interior to set
Standby wire separating support, it is characterized in that: connecting the lightning-protection module protected to signal line on the wire separating support and to letter
Number route is acquired electric current and voltage is that harvester module carries out early warning and alarm data analysis management to potential faults in advance
Acquisition module；The wire separating support is equipped with for connecting the inlet wire line branch terminal of outdoor equipment, for setting in junction chamber
Standby outlet line branch terminal, and connecting terminal is drawn in lightning protection for connecting lightning-protection module and the acquisition for connecting acquisition module is drawn
Connecting terminal；Acquisition module draws acquisition of the connecting terminal realization to the electric current and voltage of collected signal route by acquisition；And it exports
To railway signal centralized monitoring system, for carrying out early warning and alarm to potential faults in advance；
The acquisition of collection voltages draws connecting terminal and is located on inlet wire line branch terminal or outlet line branch terminal or is arranged in inlet wire distribution terminal
Between son and outlet line branch terminal；The acquisition of acquisition electric current is drawn on the current sensor lead-out wire that connecting terminal is arranged in pedestal,
Collected signal cable passes through but is not connected to current sensor；Internal communication bus interface socket is reserved on wire separating support, is used for
Acquisition module is connect with harvester inside modules communication bus；Discriminating pin is additionally provided on the wire separating support.
2. signal monitoring lightning prevention junction cabinet according to claim 1, it is characterized in that: being additionally provided on the wire separating support
Remote signalling dry contact.
3. signal monitoring lightning prevention junction cabinet according to claim 1, it is characterized in that: being additionally provided with acquisition in the junction box
Machine module, the harvester module carry out data communication by internal communication bus and acquisition module and manage acquisition module,
Harvester module externally transmits data by external communication bus.
4. signal monitoring lightning prevention junction cabinet according to claim 1, it is characterized in that: being additionally provided in the junction box by adopting
The audible and visual alarm plate that collection machine module is managed.
5. signal monitoring lightning prevention junction cabinet according to claim 1, it is characterized in that: being additionally provided with row in the junction box
Busbar and longitudinal busbar, lateral busbar are connected with the lightning protection ground wire in wire separating support, and longitudinal busbar connection is all
Lateral busbar.
6. signal monitoring lightning prevention junction cabinet according to claim 5, it is characterized in that: longitudinal busbar is equipped with ground
The state of line make and break device, ground wire make and break device is controlled by the harvester module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410161898.0A CN103915793B (en) | 2014-04-22 | 2014-04-22 | A kind of signal monitoring lightning prevention junction cabinet and implementation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410161898.0A CN103915793B (en) | 2014-04-22 | 2014-04-22 | A kind of signal monitoring lightning prevention junction cabinet and implementation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103915793A CN103915793A (en) | 2014-07-09 |
| CN103915793B true CN103915793B (en) | 2019-06-28 |
Family
ID=51041273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410161898.0A Active CN103915793B (en) | 2014-04-22 | 2014-04-22 | A kind of signal monitoring lightning prevention junction cabinet and implementation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103915793B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140856B (en) * | 2015-08-20 | 2017-10-24 | 深圳科安达电子科技股份有限公司 | Signal monitoring lightning prevention junction cabinet and its tapping block |
| CN105137230B (en) * | 2015-08-20 | 2019-05-17 | 深圳科安达电子科技股份有限公司 | Signal monitoring lightning prevention junction cabinet and its signal acquiring system |
| CN105162060B (en) * | 2015-09-22 | 2017-09-19 | 深圳科安达电子科技股份有限公司 | Signal monitoring lightning prevention junction cabinet |
| CN105186413B (en) * | 2015-09-22 | 2017-11-10 | 深圳科安达电子科技股份有限公司 | Signal monitoring lightning prevention junction cabinet |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203415974U (en) * | 2013-08-19 | 2014-01-29 | 孙巍巍 | Novel lightning protection box |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4557743B2 (en) * | 2005-02-17 | 2010-10-06 | 株式会社日立製作所 | Control device |
| CN201004743Y (en) * | 2007-02-08 | 2008-01-09 | 天津市凯泽科技有限公司 | Thunder proof terminal distribution case |
| CN201041925Y (en) * | 2007-06-11 | 2008-03-26 | 成都华铁电子技术发展有限公司 | Railway signal lightning prevention distribution cabinet |
| CN201054487Y (en) * | 2007-07-11 | 2008-04-30 | 北京中铁通电务技术开发中心 | Lightning-prevention distribution cabinet |
| CN203871801U (en) * | 2014-04-22 | 2014-10-08 | 深圳科安达电子科技股份有限公司 | Signal monitoring anti-lightening wire distribution cabinet |
-
2014
- 2014-04-22 CN CN201410161898.0A patent/CN103915793B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203415974U (en) * | 2013-08-19 | 2014-01-29 | 孙巍巍 | Novel lightning protection box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103915793A (en) | 2014-07-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103229360B (en) | There is the patch panel for surge protection of integrated open circuit part | |
| CN103915793B (en) | A kind of signal monitoring lightning prevention junction cabinet and implementation method | |
| KR102145266B1 (en) | System and method for monitoring power system | |
| CN103424588A (en) | Electric energy meter connection terminal kit | |
| CN203433022U (en) | Electric energy meter terminal suite | |
| US10663530B2 (en) | Test switch assembly having an electronic circuit | |
| Kawano et al. | Intelligent protection relay system for smart grid | |
| CN105409064A (en) | Bus connection device | |
| CN203932723U (en) | A kind of distribution box with function of measuring | |
| CN107394895A (en) | A kind of hard pressing plate Long-Range Surveillance Unit of transforming plant protecting | |
| CN208888613U (en) | A kind of Internet of Things protection against electric shock monitor terminal | |
| CN104810784B (en) | Electrical protective device for electrically installing is with and related methods | |
| CN203871801U (en) | Signal monitoring anti-lightening wire distribution cabinet | |
| CN202084792U (en) | Novel distribution box for construction site | |
| CN206389179U (en) | A kind of cell distribution monitoring system | |
| CN212435599U (en) | Anti-static power supply device | |
| CN211377569U (en) | Outdoor installation full voltage level integration transformer protection device | |
| CN104810789B (en) | Electrical protective device and affiliated method for electrical equipment | |
| CN105226634B (en) | A kind of (TT) distribution system | |
| CN109193936B (en) | Ring main unit high-protection system and method | |
| CN106771858A (en) | Low-voltage distribution network fault location system and method | |
| CN113394728A (en) | Intelligent branch box | |
| CN111313827A (en) | Direct current collection flow box | |
| CN107611501B (en) | Storage battery pack monitoring system, storage battery pack and single battery unit thereof | |
| CN110504756A (en) | A kind of ring network cabinet protective device control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |