CN107846070A - Signal box return wire electric supply installation - Google Patents
Signal box return wire electric supply installation Download PDFInfo
- Publication number
- CN107846070A CN107846070A CN201610836222.6A CN201610836222A CN107846070A CN 107846070 A CN107846070 A CN 107846070A CN 201610836222 A CN201610836222 A CN 201610836222A CN 107846070 A CN107846070 A CN 107846070A
- Authority
- CN
- China
- Prior art keywords
- signal box
- fixture
- conductor rail
- inverter
- return 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.)
- Granted
Links
- 238000009434 installation Methods 0.000 title claims abstract description 35
- 239000004020 conductor Substances 0.000 claims abstract description 83
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Stand-By Power Supply Arrangements (AREA)
Abstract
The present invention provides a kind of signal box return wire electric supply installation, and described device includes：Conductor rail, inverter, signal box, the first fixture, the conductor rail is connected with Switching Power Supply, the Switching Power Supply supplies the conductor rail after 220V alternating current to be converted to 24V direct current, the conductor rail is electrically connected by first fixture with the inverter, give 24V DC power transmission to the inverter, inverter is transferred to signal box after 24V direct current to be converted to 220V alternating current.The present invention can avoid security hidden trouble between return wire electric supply installation and operator being present, while solve the power-off problems of return wire electric supply installation.
Description
Technical field
The present invention relates to power supply control technical field, more particularly to a kind of signal box return wire electric supply installation.
Background technology
During audio, video detection is carried out to electronic equipment, signal box provides output signal, by judging that signal shows
That shows is whether normal, to judge whether electronic equipment is qualified.Signal box return wire is used to power to signal box, is transported in whole system
During row, it is desirable to signal box whole process live line work.Therefore, signal box return wire is the main auxiliary for carrying out electronic equipment detection
System.
The electric supply installation that signal box uses at present, i.e., the structure of signal box return wire is as shown in figure 1, signal box 11 is placed on
The inside of signal box mounting bracket 12, and signal box mounting bracket 12 is suspended on return wire conductor rail 13, the side of signal box mounting bracket 12
Universal wheel is provided with, the universal wheel is slidably connected with return wire conductor rail 13, and the 220V at scene power supply is connected into return wire
Above conductor rail 13, universal wheel of the line conductor rail 13 by the side of signal box mounting bracket 12 is then refluxed for, 220V is supplied into signal
Box 11.Synchronous signal box 11 can be with following electronic equipment synchronizing moving.
During the present invention is realized, inventor has found following technical problem in the prior art at least be present：To electricity
During sub- equipment is detected, operating personnel are located at the both sides of the sensing chamber shown in Fig. 1, because signal box return wire exists
The above-head position of operating personnel carries out circulation work, and this 220V power supply mode has potential safety hazard, on the other hand logical
The mode for crossing the side universal wheel contact of signal box mounting bracket 12 is powered, and power down be present when return wire edge is run to
Hidden danger.
The content of the invention
Signal box return wire electric supply installation provided by the invention, can avoid depositing between return wire electric supply installation and operator
In security hidden trouble, while solve the power-off problems of return wire electric supply installation.
The present invention provides a kind of signal box return wire electric supply installation, and the signal box return wire electric supply installation includes：It is conductive
Rail, inverter, signal box, the first fixture, the conductor rail are connected with Switching Power Supply, and the Switching Power Supply is by 220V alternating current
The conductor rail is supplied after being converted to 24V direct current, the conductor rail is electrically connected by first fixture with the inverter
Connect, give 24V DC power transmission to the inverter, inverter transmits after 24V direct current to be converted to 220V alternating current
Give signal box.
Alternatively, described device also includes uninterrupted power source, and the uninterrupted power source is connected with the inverter, also simultaneously
It is connected with signal box, the uninterrupted power source includes battery, and the uninterrupted power source is used for after inverter is changed
220V alternating current transmission charges to signal box and to the battery.
Alternatively, the signal box is connected with power outlet, and the uninterrupted power source is connected by the power outlet
Connect the signal box.
Alternatively, the conductor rail includes a top 24V conductor rail and a lower section 0V conductor rail, the top 24V
Low-voltage power supply groove is formed between conductor rail and the lower section 0V conductor rails, first fixture is U-shaped, the one of first fixture
The low-voltage power supply groove is inserted on bar U-shaped side, the U-shaped side of the insertion low-voltage power supply groove and the top 24V conductor rails and
It is conductively connected between the lower section 0V conductor rails by carbon brush.
Alternatively, in addition to two supporting rails and the second fixture, first fixture and second fixture are U-shaped,
Two supporting rails are through the U-shaped mouth of first fixture and the second fixture, and first fixture is positioned at described two supports
Supported between part and two supporting rails above rail by two universal wheels, second fixture is located at two branch
Support and supported between part and two supporting rails above rail by two universal wheels.
Alternatively, described device also includes driving rotating disk, and the outside engagement of the driving rotating disk sets chain, described
First fixture and second fixture are fixedly connected by column with the chain.
Signal box return wire electric supply installation provided in an embodiment of the present invention, Switching Power Supply are converted to 220V alternating current
Conductor rail is supplied after 24V direct current, at signal box, 24V direct current is converted to what signal box needed by inverter
Signal box is supplied after 220V alternating current so that conductor rail keeps 24V low pressure, avoids peace between conductor rail and operator being present
Full potential problem.It is furthermore provided with uninterrupted power source to be connected with inverter, for connecting between conductor rail and inverter
Signal box is powered in the case of electricity, solves the power-off problems of return wire electric supply installation.
Brief description of the drawings
Fig. 1 is signal box electric supply installation structural representation of the prior art；
Fig. 2 is the schematic diagram for the signal box return wire electric supply installation that one embodiment of the invention provides；
Fig. 3 is the structural representation for the signal box return wire electric supply installation that one embodiment of the invention provides；
Fig. 4 is that the conductor rail in the signal box return wire electric supply installation that one embodiment of the invention provides is connected with the first fixture
Partial enlarged drawing.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
Only it is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
The present invention provides a kind of signal box return wire electric supply installation, and the signal box return wire electric supply installation includes：It is conductive
Rail, inverter, signal box, the first fixture, the conductor rail are connected with Switching Power Supply, and the Switching Power Supply is by 220V alternating current
The conductor rail is supplied after being converted to 24V direct current, the conductor rail is electrically connected by first fixture with the inverter
Connect, give 24V DC power transmission to the inverter, inverter transmits after 24V direct current to be converted to 220V alternating current
Give signal box.
Signal box return wire electric supply installation provided in an embodiment of the present invention, Switching Power Supply are converted to 220V alternating current
Conductor rail is supplied after 24V direct current, at signal box, 24V direct current is converted to what signal box needed by inverter
Signal box is supplied after 220V alternating current so that conductor rail keeps 24V low pressure, avoids peace between conductor rail and operator being present
Full potential problem.It is furthermore provided with uninterrupted power source to be connected with inverter, for connecting between conductor rail and inverter
Signal box is powered in the case of electricity, solves the power-off problems of return wire electric supply installation.
Alternatively, described device also includes uninterrupted power source, and the uninterrupted power source is connected with the inverter, also simultaneously
It is connected with signal box, the uninterrupted power source includes battery, and the uninterrupted power source is used for after inverter is changed
220V alternating current transmission charges to signal box and to the battery.
Alternatively, the signal box is connected with power outlet, and the uninterrupted power source is connected by the power outlet
Connect the signal box.
Alternatively, the conductor rail includes a top 24V conductor rail and a lower section 0V conductor rail, the top 24V
Low-voltage power supply groove is formed between conductor rail and the lower section 0V conductor rails, first fixture is U-shaped, the one of first fixture
The low-voltage power supply groove is inserted on bar U-shaped side, the U-shaped side of the insertion low-voltage power supply groove and the top 24V conductor rails and
It is conductively connected between the lower section 0V conductor rails by carbon brush.
Alternatively, in addition to two supporting rails and the second fixture, first fixture and second fixture are U-shaped,
Two supporting rails are through the U-shaped mouth of first fixture and the second fixture, and first fixture is positioned at described two supports
Supported between part and two supporting rails above rail by two universal wheels, second fixture is located at two branch
Support and supported between part and two supporting rails above rail by two universal wheels.
Alternatively, described device also includes driving rotating disk, and the outside engagement of the driving rotating disk sets chain, described
First fixture and second fixture are fixedly connected by column with the chain.
The schematic diagram of signal box return wire electric supply installation provided in an embodiment of the present invention is as shown in Fig. 2 existing in production first
The feeder ear of field, the power supply for passing through 220V supply signal box return wire equipment normal operation.The Switching Power Supply of signal box return wire
24V power supplys supply conductor rail is converted into after 220V power supplys are received, 24V power supply is passed to inverter, inversion by conductor rail
The exchange that 24V direct current is changed into 220V by device supplies electricity to uninterrupted power source (UPS), and uninterrupted power source (UPS) on the one hand will be certainly
The electricity supply signal box work that oneself receives, on the other hand, unnecessary electricity is stored in battery.When conductor rail and inversion
When device is because of loose contact power down, uninterrupted power source (UPS) gives the charge transport in battery to signal box, so as to avoid power down from asking
Topic.
The overall structure of signal box return wire electric supply installation provided in an embodiment of the present invention is as shown in figure 3, not shown in figure
Switching Power Supply, Switching Power Supply are converted into 24V power supplys supply conductor rail after 220V power supplys are received, and conductor rail is provided with two,
As shown in figure 4, a conductor rail 44 of a conductor rail 43 and lower section including top, the voltage of a conductor rail 43 of top
For 24V, the voltage of a conductor rail 44 of lower section is 0V.It is additionally provided with two supporting rails 31, an inner ring supporting rail and one
Outer shroud supporting rail, driving rotating disk 32 are socketed in inner ring supporting rail, and the outside engagement of driving rotating disk 32 is provided with chain
(not shown), the first fixture 35 and the second fixture 38 are fixedly connected by column 45 with the chain, and column 45 is positioned at interior
Between ring supporting rail and outer shroud supporting rail.When signal box return wire electric supply installation works, motor (not shown), which drives, drives
Dynamic rotating disk 32 rotates, and driving rotating disk 32 drives chain movement, and chain and the first fixture 35 and the second fixture 38 pass through column
45 are fixedly connected, and so as to which chain-driving the first fixture 35 and the second fixture 38 move, the first fixture 35 and the second fixture 38 are moving
In dynamic process, slided respectively by two universal wheels 41 on inner ring supporting rail and outer shroud supporting rail.In signal box return wire
During electric supply installation works, inner ring supporting rail and outer shroud supporting rail keep fixing.Inverter 33 is arranged on the first fixture 35
On, signal box 37 is arranged on the second fixture 38, so that when the first fixture 35 and the second fixture 38 move, drives inverter 33
And signal box 37 moves.When signal box return wire electric supply installation works, signal box is connected with electronic product to be measured by wire,
Electronic product to be measured on streamline while moving, signal box and electronic product synchronizing moving to be measured.
The present invention implements the annexation partial enlargement between the conductor rail and the first fixture 35 and the second fixture 38 of offer
For figure as shown in figure 4, the first fixture 35 is U-shaped, two supporting rails 31 pass through the U-shaped mouth of the first fixture 35, and the first fixture 35 is located at
Supported between part and two supporting rails 31 above two supporting rails 31 by two universal wheels 41.First fixture 35 simultaneously
Part above two supporting rails 31 is also fixedly connected by column 45 with the chain in the outside of driving rotating disk 32.(in figure not
Show).Conductor rail includes a conductor rail 43 of top and a conductor rail 44 of lower section, the electricity of a conductor rail 43 of top
Press as 24V, the voltage of a conductor rail 44 of lower section is 0V.Formed between conductor rail 43 and the conductor rail 44 of lower section up
Low-voltage power supply groove 42, the first fixture 35 insert low pressure in the U-shaped side insertion low-voltage power supply groove 42 of two lower sections of supporting rail 31
It is conductively connected between U-shaped side and the conductor rail 43 of top and the conductor rail 44 of lower section in power supply groove 42 by carbon brush, because golden
Belong to contact with metal and understand increasing friction force, and conductive carbon brush contacts with metal conductive rail that band in running can be greatly lowered
The frictional resistance come.Being electrified between the conductor rail 43 of back upper place and the conductor rail 44 of lower section has very big magnetic attracting force,
So that the first fixture 35 is in close contact with low-voltage power supply groove 42, the first fixture 35 is conductive material, so as to realize the first fixture 35
It is conductively connected with low-voltage power supply groove 42,24V voltages is passed to by the first fixture 35, Jin Erchuan by the conductor rail of low-voltage power supply groove 42
Pass inverter 33.Second fixture 38 is similarly U-shaped, and two supporting rails 31 pass through the U-shaped mouth of the second fixture 38, the second fixture
Supported between 38 part and two supporting rails 31 above two supporting rails 31 also by two universal wheels 41, while second
Fixture 38 is also fixedly connected positioned at the part of two tops of supporting rail 31 by column 45 with the chain in the outside of driving rotating disk 32.
(not shown).But the second fixture 38 does not contact with low-voltage power supply groove 42.
First fixture 35 is conductively connected with conductor rail, so as to which 24V power supplys are supplied inversion by conductor rail by the first fixture 35
Device 33.Inverter 33 is converted to 24V direct current 220V alternating current, and subsequent inverter 33 is by the 220V alternating currents after conversion
The uninterrupted power source 34 being electrically connected is transferred to, battery is provided with uninterrupted power source 34, uninterrupted power source 34 is on the one hand
The electricity supply signal box 37 that oneself is received is worked, on the other hand, unnecessary electricity is stored in battery.With it is uninterrupted
Power supply 34 is neighbouring to be provided with power supply changeover device 36, and uninterrupted power source 34 is connected with power supply changeover device 36, and power supply changeover device 36 is used for
The grafting conversion of signal, the front end of signal box 37 are provided with the power outlet 39 of signal box 37, and power supply changeover device 36 is inserted with power supply
By cable connection between seat 39, so as to realize that the alternating current transmission of the 220V after inverter is changed gives signal box normal work
Make.The embodiment of the present invention causes conductor rail to keep 24V low pressure, the operating personnel master when signal box return wire electric supply installation works
To be operated near conductor rail, security hidden trouble between conductor rail and operator be present so as to avoid.In addition uninterrupted electricity
Battery is provided with source 34, when conductor rail and inverter loose contact cause power down, battery is as power supply to signal
Box 37 is powered, and solves the power-off problems of return wire electric supply installation.This front end of external signal box 37 is additionally provided with backup cartridge, in order to
The use of later stage new-added item function.
Power is born further accordance with functional overview to conductor rail to be calculated as follows：
P1×Φ1×Φ2×Φ3×Φ4=K1×N×P2
Wherein, P1：Production scene provides output power；
Φ1：Scene, which powers, arrives the electric energy conversion efficiency of Switching Power Supply, and 0.95；
Φ2：Switching Power Supply to inverter electric energy conversion efficiency, 0.7；
Φ3：Inverter to UPS electric energy conversion efficiency, 0.98；
Φ4：UPS to signal box electric energy conversion efficiency, 0.98；
K1：Input-output power threshold coefficient, 1.2；
N：Signal box number, 12；
P2：Power needed for signal box, about 40W；
According to calculating, production scene provides output power P1≈ 900W, show that guide rail bears electric current pair according to power calculation
Guide rail cross-sectional sizes are designed.
P1=U × I
U：Conductor rail voltage, 24V
I：Conductor rail electric current
By calculating, conductor rail electric current I ≈ 37.5A
In addition, conductor rail section is required according to eelctrical engineering handbook, 1mm2Guide rail bear 5A electric current, the section of conductor rail
Product at least wants 7.5mm2。
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, the change or replacement that can readily occur in, all should
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (6)
- A kind of 1. signal box return wire electric supply installation, it is characterised in that including：Conductor rail, inverter, signal box, the first fixture, The conductor rail is connected with Switching Power Supply, and the Switching Power Supply supplies institute after 220V alternating current to be converted to 24V direct current Conductor rail is stated, the conductor rail is electrically connected by first fixture with the inverter, by 24V DC power transmission to described Inverter, inverter are transferred to signal box after 24V direct current to be converted to 220V alternating current.
- 2. signal box return wire electric supply installation according to claim 1, it is characterised in that described device also includes uninterrupted Power supply, the uninterrupted power source are connected with the inverter, while are also connected with signal box, and the uninterrupted power source includes electric power storage Pond, the uninterrupted power source are used for the alternating current transmission of the 220V after inverter is changed to signal box and to the battery Charging.
- 3. signal box return wire electric supply installation according to claim 2, it is characterised in that the signal box is connected with Power outlet, the uninterrupted power source connect the signal box by the power outlet.
- 4. signal box return wire electric supply installation according to claim 3, it is characterised in that the conductor rail is included on one Square 24V conductor rails and a lower section 0V conductor rail, low pressure is formed between the top 24V conductor rails and the lower section 0V conductor rails Power supply groove, first fixture are U-shaped, and the low-voltage power supply groove, the insertion institute are inserted in a U-shaped side of first fixture State and be conductively connected between the U-shaped side of low-voltage power supply groove and the top 24V conductor rails and the lower section 0V conductor rails by carbon brush.
- 5. signal box return wire electric supply installation according to claim 1, it is characterised in that also including two articles of supporting rails and Two fixtures, first fixture and second fixture are U-shaped, and two supporting rails pass through first fixture and second The U-shaped mouth of fixture, first fixture, which is located between the part above two supporting rails and two supporting rails, to be passed through Two universal wheel supports, second fixture are located between the part above two supporting rails and two supporting rails and led to Cross two universal wheel supports.
- 6. signal box return wire electric supply installation according to claim 5, it is characterised in that described device also includes driving rotation Rotating disk, the outside engagement of the driving rotating disk set chain, and first fixture and second fixture pass through column and institute Chain is stated to be fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610836222.6A CN107846070B (en) | 2016-09-20 | 2016-09-20 | Signal box return wire power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610836222.6A CN107846070B (en) | 2016-09-20 | 2016-09-20 | Signal box return wire power supply device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107846070A true CN107846070A (en) | 2018-03-27 |
| CN107846070B CN107846070B (en) | 2024-03-22 |
Family
ID=61657414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610836222.6A Active CN107846070B (en) | 2016-09-20 | 2016-09-20 | Signal box return wire power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107846070B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101431256A (en) * | 2008-07-28 | 2009-05-13 | 北京市研祥兴业国际智能科技有限公司 | Power-off protection apparatus |
| US20110148197A1 (en) * | 2009-12-21 | 2011-06-23 | Maurilio Hernandez | In-line uninterruptible power supply |
| CN103281512A (en) * | 2013-04-28 | 2013-09-04 | 安徽挚升电子工程有限公司 | Greenhouse video monitoring system |
| US20140217827A1 (en) * | 2013-02-01 | 2014-08-07 | 3L Power Llc | Apparatus for and method of operation of a power inverter system |
| US20150200508A1 (en) * | 2014-01-14 | 2015-07-16 | Tyco Electronics Corporation | Header assembly having power and signal cartridges |
| CN104993733A (en) * | 2015-07-24 | 2015-10-21 | 北京九方宏信交通装备有限公司 | Emergency power supply device in rail transit vehicle |
| DE102014209474A1 (en) * | 2014-05-20 | 2015-11-26 | Db Netz Ag | Universally applicable power supply system for interlocking systems of existing interlocking systems as well as methods for replacing a power supply system for a interlocking |
| CN206673681U (en) * | 2016-09-20 | 2017-11-24 | 研祥智能科技股份有限公司 | Signal box return wire electric supply installation |
-
2016
- 2016-09-20 CN CN201610836222.6A patent/CN107846070B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101431256A (en) * | 2008-07-28 | 2009-05-13 | 北京市研祥兴业国际智能科技有限公司 | Power-off protection apparatus |
| US20110148197A1 (en) * | 2009-12-21 | 2011-06-23 | Maurilio Hernandez | In-line uninterruptible power supply |
| US20140217827A1 (en) * | 2013-02-01 | 2014-08-07 | 3L Power Llc | Apparatus for and method of operation of a power inverter system |
| CN103281512A (en) * | 2013-04-28 | 2013-09-04 | 安徽挚升电子工程有限公司 | Greenhouse video monitoring system |
| US20150200508A1 (en) * | 2014-01-14 | 2015-07-16 | Tyco Electronics Corporation | Header assembly having power and signal cartridges |
| DE102014209474A1 (en) * | 2014-05-20 | 2015-11-26 | Db Netz Ag | Universally applicable power supply system for interlocking systems of existing interlocking systems as well as methods for replacing a power supply system for a interlocking |
| CN104993733A (en) * | 2015-07-24 | 2015-10-21 | 北京九方宏信交通装备有限公司 | Emergency power supply device in rail transit vehicle |
| CN206673681U (en) * | 2016-09-20 | 2017-11-24 | 研祥智能科技股份有限公司 | Signal box return wire electric supply installation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107846070B (en) | 2024-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2012074743A3 (en) | Energy-efficient uniterruptible electrical distribution systems and methods | |
| CN103660956B (en) | The transportation system of coal mining | |
| CN203312900U (en) | Seamless switching purifying power supply device | |
| CN203071637U (en) | DC power supply connection control apparatus | |
| CN206673681U (en) | Signal box return wire electric supply installation | |
| CN107846070A (en) | Signal box return wire electric supply installation | |
| CN104917279A (en) | Emergency electrical power supply system for electric automobile communication base station | |
| CN106299920B (en) | A kind of power supply base | |
| CN207251454U (en) | Integrated elevator supply unit | |
| CN102189086A (en) | Automatic dedusting device for solar cell plate | |
| CN205389103U (en) | Device is hauled oneself willingly into to rail transit power supply system single busbar power supply contact cabinet | |
| CN204536514U (en) | UPS incoming line power-off alarm device of marine belt control system | |
| CN204442004U (en) | Direct current sectionalized bus device for intelligently switching | |
| CN210431005U (en) | Battery self-powered starting system of energy storage system | |
| CN202353291U (en) | Intelligent integrated power supply system for transformer substation | |
| CN105552913A (en) | Intelligent AC/DC integrated power supply system | |
| CN209170043U (en) | A kind of city's electric solar energy complementary power supply system | |
| CN203911571U (en) | Dual-power-supplying device used for ring main unit | |
| CN103647242B (en) | A kind of Gong Xiang enclosed busbar UNICOM structure | |
| CN205407328U (en) | Portable power supply system | |
| CN202243544U (en) | Station signal acquisition machine cabinet | |
| CN106641814B (en) | A kind of liftable lamp device | |
| CN2321143Y (en) | Integral bus ring for power cable drum | |
| CN206098793U (en) | Subassembly is pressed from both sides in copper bar reposition of redundant personnel | |
| CN203039213U (en) | High-voltage current collector for electric excavator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230707 Address after: 518057 1701, Yanxiang science and technology building, 31 Gaoxin middle Fourth Road, Maling community, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Applicant after: Yanxiang smart IOT Technology Co.,Ltd. Address before: No.1, Yanxiang Zhigu chuangxiangdi, No.11, Gaoxin Road, Guangming New District, Shenzhen, Guangdong 518107 Applicant before: EVOC INTELLIGENT TECHNOLOGY Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |