CN109462273A - A kind of mining flameproof dual-power switching control box - Google Patents
A kind of mining flameproof dual-power switching control box Download PDFInfo
- Publication number
- CN109462273A CN109462273A CN201811569348.7A CN201811569348A CN109462273A CN 109462273 A CN109462273 A CN 109462273A CN 201811569348 A CN201811569348 A CN 201811569348A CN 109462273 A CN109462273 A CN 109462273A
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- Prior art keywords
- control
- power supply
- control box
- box body
- dual
- Prior art date
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- 238000005065 mining Methods 0.000 title claims abstract description 22
- 238000012806 monitoring device Methods 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims abstract description 15
- 239000000956 alloy Substances 0.000 claims abstract description 5
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 5
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 241001347978 Major minor Species 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- 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
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- H02J13/0006—
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/248—UPS systems or standby or emergency generators
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a kind of mining flameproof dual-power switching control boxs, including control box body, the outer end of the control box body is equipped with alloy shell, two lateral roofs of the control box body are equipped with lifting lug, the top side of the control box body is equipped with warning light, the side of the warning light is equipped with PROFIBUS-DP communication equipment, control panel is equipped at the top of one end of the control box body, the side of the control panel is equipped with control chamber door, the middle-end of the control chamber door is equipped with observation window, the middle-end of the control panel is equipped with intelligent display, the intellectual monitoring device and switching plug-in strip of setting, staff can periodically pass through manual switching plug-in strip, to switch major-minor power supply to detect the handoff functionality of the equipment, when needing to overhaul load, output need to only be cut off and disconnect switch, it can not influence Other equipment complete service work in the case where working, convenient and efficient, greatly improve work efficiency and safety.
Description
Technical field
The present invention relates to the technical field of control cabinet, specially a kind of mining flameproof dual-power switching control box.
Background technique:
Control cabinet be by electrical wiring requirement by switchgear, measuring instrumentss, protection electric appliance and ancillary equipment be assembled in closing or
In semiclosed metal safe or in screen width, arrangement should meet the requirement of electric system normal operation, and easy access does not jeopardize the person
And the safety of surrounding devices；Present control cabinet, underground Central Pump Room automatic control system, detection monitor at present, Ren Yuanding
Position, multiple systems such as communication mostly use substation formula single circuit power supply system, although substation battery is protected after power supply system power failure
Card 2-4 more than hour puts a power supply automatically, but substation power is mostly shared with mining system power supply, by mining system for film
It rings greatly, once mining system power off time is more than the redundancy time of battery, battery just will appear complete electric discharge, to cause
System locking stops working, and substation service lifetime of accumulator is related with charge and discharge number, and frequent charge and discharge can contract
The capacity and service life of short battery accordingly shorten the storage battery power supply time, totally unfavorable to safety, and domestic at present existing
There is double loop vacuum feed switch using traditional electric controling mode, mostly uses relay and vacuum A. C. contactor control
Mode processed, equipment do not have the functions such as manual switching and output disconnection, itself detection cannot be carried out to equipment, when repairing load, needs
Active and standby ring current is disconnected, the power-off of other loads is bound to cause, and then influence the safety of underground work, is far from satisfying
The growth requirement of modern mine cannot achieve remote control system and receive in addition there is no wireless communication functions for conventional apparatus
Function.
So how to design a kind of mining flameproof dual-power switching control box, becoming us will currently be solved the problems, such as.
Summary of the invention:
The purpose of the present invention is in view of the drawbacks of the prior art, providing a kind of mining flameproof dual-power switching control box, with solution
The problem of certainly above-mentioned background technique proposes.
To achieve the above object, the invention provides the following technical scheme: a kind of mining flameproof dual-power switching control box,
Including control box body, the outer end of the control box body is equipped with alloy shell, and two lateral roofs of the control box body are all provided with
There is lifting lug, the top side of the control box body is equipped with warning light, and the side of the warning light is communicated equipped with PROFIBUS-DP
Equipment, one end top of the control box body are equipped with control panel, and the side of the control panel is equipped with control chamber door, described
The middle-end for controlling chamber door is equipped with observation window, and the middle-end of the control panel is equipped with intelligent display, the bottom of the intelligent display
End is equipped with control keyboard, and the side of the intelligent display is equipped with switch knob, and one end bottom of the control box body is equipped with
Main power supply box, the top of the main power supply box are equipped with intellectual monitoring device, and the side of the intellectual monitoring device is equipped with fuse, described
The bottom end of intellectual monitoring device is equipped with vacuum A. C. contactor, and the bottom end of the vacuum A. C. contactor is equipped with power transformer, institute
The side for stating power transformer is equipped with breaker, and the side of the main power supply box is equipped with secondary power supply box, the pair power supply box and institute
It states the bottom end being equipped between main power supply box and is equipped with switching plug-in strip, the other side of the pair power supply box is equipped with power supply chamber door, the control
The bottom end of case ontology processed is equipped with control cabinet support.
As a preferred technical solution of the present invention, the control cabinet support is fixedly connected with the control box body,
And the lifting lug is fixedly connected with the control box body.
As a preferred technical solution of the present invention, the warning light and the control box body pass through controller electrical property
Connection, the PROFIBUS-DP communication equipment and the control box body are electrically connected by controller.
As a preferred technical solution of the present invention, the control panel insertion is set in the control box body,
The intelligent display insertion is set on the control panel.
As a preferred technical solution of the present invention, the fuse is respectively embedded into the vacuum A. C. contactor and sets
It is placed in the main power supply box and the secondary power supply box, and passes through setting between the fuse and the vacuum A. C. contactor
Access electric wire be electrically connected.
As a preferred technical solution of the present invention, switching plug-in strip insertion be set to the main power supply box with
Between the pair power supply box, and the switching plug-in strip and the intellectual monitoring device are electrically connected by controller.
The beneficial effects of the present invention are:
Advantage 1: the mining flameproof dual-power switching control box is adopted by designed main power supply box and secondary power supply box, the equipment
It is designed with upper and lower two chamber, wire connection cavity is isolated with control cabinet, and reasonable in design, major-minor power transformer secondary voltage is directly accessed
The single-phase detection input for crossing intellectual monitoring device, intellectual monitoring device makes main power supply on-off after analyzing by internal processes are selected
It selects, then passes through output control relay, vacuum A. C. contactor, major minor loop power supply is connected to wire connection cavity by connecting terminal,
External loading, which only needs to be connected in wire connection cavity on output wiring terminal, to be powered on, when active and standby power supply any time
Road power off when, all can switch to another circuit and continue to power, thus realize detection monitoring, personnel positioning, downhole communication, water pump,
The continued power of the systems such as blower, mining prevent-moving car is solved because powering off bring security risk.
Advantage 2: intellectual monitoring device and switching plug-in strip of the mining flameproof dual-power switching control box by setting, work
Personnel can periodically pass through manual switching plug-in strip, to switch major-minor power supply to detect the handoff functionality of the equipment, when needs pair
When load is overhauled, it need to only cut off output and disconnect switch, maintenance can be completed in the case where not influencing other equipment work
Work, convenient and efficient, the electricity that the intellectual monitoring device for greatly improving work efficiency and safety, and being arranged passes through internal setting
The connection of the inductors such as voltage sensor and temperature inductor is flowed, when occurring abnormal, switching plug-in strip will be automatically controlled, is replaced
Power supply source, and alarm, so that device, which itself has, has the function of circuit protection etc..
Advantage 3: the mining flameproof dual-power switching control box is passed through by the PROFIBUS-DP communication equipment of setting
It is wirelessly transferred bar, is able to carry out receiving and transmitting signal, so that the device has PROFIBUS-DP communication function, and is equipped with voltage electricity
Equipment working condition is transmitted centralized control room by stream acquisition sensor, realizes remote real time monitoring manipulation.
Detailed description of the invention:
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the theory structure schematic diagram of current supply circuit in Fig. 1 of the present invention；
Fig. 3 is the theory structure schematic diagram of PLC power supply and communication loop in Fig. 1 of the present invention；
In figure: 1, control box body, 2, alloy shell, 3, lifting lug, 4, warning light, 5, PROFIBUS-DP communication equipment, 6, control
Chamber door, 7, observation window, 8, control panel, 9, intelligent display, 10, switch knob, 11, control keyboard, 12, main power supply box, 13,
Secondary power supply box, 14, power supply chamber door, 15, fuse, 16, vacuum A. C. contactor, 17, breaker, 18, access electric wire, 19, cut
Change plug-in strip, 20, intellectual monitoring device, 21, power transformer, 22, control cabinet support.
Specific embodiment:
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention can be easier to
Understood by those skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Embodiment 1: please referring to Fig. 1-3, and the present invention provides a kind of technical solution: a kind of mining explosion-proof dual-power switching control
The outer end of case processed, including control box body 1, control box body 1 is equipped with alloy shell 2, and two lateral roofs of control box body 1 are all provided with
There is lifting lug 3, the top side of control box body 1 is equipped with warning light 4, and the side of warning light 4 is equipped with PROFIBUS-DP communication equipment
5, one end top of control box body 1 is equipped with control panel 8, and the side of control panel 8 is equipped with control chamber door 6, control chamber door 6
Middle-end is equipped with observation window 7, and the middle-end of control panel 8 is equipped with intelligent display 9, and the bottom end of intelligent display 9 is equipped with control keyboard
11, the side of intelligent display 9 is equipped with switch knob 10, and one end bottom of control box body 1 is equipped with main power supply box 12, main power supply
The top of case 12 is equipped with intellectual monitoring device 20, and the side of intellectual monitoring device 20 is equipped with fuse 15, the bottom end of intellectual monitoring device 20
Equipped with vacuum A. C. contactor 16, the bottom end of vacuum A. C. contactor 16 is equipped with power transformer 21, and the one of power transformer 21
Side is equipped with breaker 17, and the side of main power supply box 12 is equipped with secondary power supply box 13, is equipped between secondary power supply box 13 and main power supply box 12
Bottom end be equipped with switching plug-in strip 19, the other side of secondary power supply box 13 is equipped with power supply chamber door 14, and the bottom end of control box body 1 is equipped with control
Case support 22 processed.
Control cabinet support 22 is fixedly connected with control box body 1, and lifting lug 3 is fixedly connected with control box body 1, is device
Work improve stable environment.
Warning light 4 and control box body 1 are electrically connected by controller, PROFIBUS-DP communication equipment 5 and control cabinet sheet
Body 1 is electrically connected by controller, so that device has wireless communication function.
The insertion of control panel 8 is set in control box body 1, and the insertion of intelligent display 9 is set on control panel 8, just
In the operation control to control box body 1.
Fuse 15 and vacuum A. C. contactor 16, which are respectively embedded into, to be set in main power supply box 12 and secondary power supply box 13, and molten
It is electrically connected between disconnected device 15 and vacuum A. C. contactor 16 by the access electric wire 18 of setting, improves the stability of circuit.
The switching insertion of plug-in strip 19 is set between main power supply box 12 and secondary power supply box 13, and switches plug-in strip 19 and intellectual monitoring
Device 20 is electrically connected by controller, is easy to implement the switching of automanual control plug-in strip.
The device is a kind of mining flameproof dual-power switching control box, including control box body 1, firstly, to entire dress
The entirety set carries out detection appropriate, checks the stability of each component, and each circuit connection in butted line case etc. is tested, it
Device is smoothly transported using lifting lug 22 and device seat 3 afterwards to be placed on and suitably uses position, is set in control box body 1
There is explosion-proof wiring terminal, the secondary power supply box 13 of main power supply box 12 is accessed by wire connection cavity, after powering on, if what major-minor power supply all led to
Words, control section remain major loop priority principle, are load supplying by major loop.Under normal operating conditions, intellectual monitoring
Device passes through the voltage and on off operating mode of real-time monitoring major-minor power supply, to judge the selection in major and minor circuit, when main power source powers off
When, switching plug-in strip 19 automatically switches to auxiliary power power supply；After main power source restores electricity, main power source power supply is automatically switched back into, thus
Realize Dual-power automatic switching function.In addition, design has working status indication on the intelligent display 9 of control panel 8, pass through police
Lamp 4 is reported to realize that the functions such as wireless terminal are realized in alarm monitoring and PROFIBUS-DP communication equipment 5, here it is making for the device
Use mode.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.
Claims (6)
1. a kind of mining flameproof dual-power switching control box, including control box body (1), it is characterised in that: the control cabinet
The outer end of ontology (1) is equipped with alloy shell (2), and two lateral roofs of the control box body (1) are equipped with lifting lug (3), the control
The top side of case ontology (1) processed is equipped with warning light (4), and the side of the warning light (4) is equipped with PROFIBUS-DP communication equipment
(5), control panel (8) are equipped at the top of one end of the control box body (1), the side of the control panel (8) is equipped with control
The middle-end of chamber door (6), control chamber door (6) is equipped with observation window (7), and the middle-end of the control panel (8) is equipped with intelligent display
The bottom end of device (9), the intelligent display (9) is equipped with control keyboard (11), and the side of the intelligent display (9) is equipped with switch
One end bottom of handle (10), the control box body (1) is equipped with main power supply box (12), and the top of the main power supply box (12) is set
Have intellectual monitoring device (20), the side of the intellectual monitoring device (20) is equipped with fuse (15), the intellectual monitoring device (20)
Bottom end is equipped with vacuum A. C. contactor (16), and the bottom end of the vacuum A. C. contactor (16) is equipped with power transformer (21), institute
The side for stating power transformer (21) is equipped with breaker (17), and the side of the main power supply box (12) is equipped with secondary power supply box (13),
The bottom end being equipped between the pair power supply box (13) and the main power supply box (12) is equipped with switching plug-in strip (19), the pair power supply box
(13) the other side is equipped with power supply chamber door (14), and the bottom end of the control box body (1) is equipped with control cabinet support (22).
2. a kind of mining flameproof dual-power switching control box according to claim 1, it is characterised in that: the control cabinet
Support (22) is fixedly connected with the control box body (1), and the lifting lug (3) is fixedly connected with the control box body (1).
3. a kind of mining flameproof dual-power switching control box according to claim 1, it is characterised in that: the warning light
(4) it is electrically connected with the control box body (1) by controller, the PROFIBUS-DP communication equipment (5) and the control
Case ontology (1) is electrically connected by controller.
4. a kind of mining flameproof dual-power switching control box according to claim 1, it is characterised in that: the control plane
Plate (8) insertion is set in the control box body (1), and intelligent display (9) insertion is set to the control panel (8)
On.
5. a kind of mining flameproof dual-power switching control box according to claim 1, it is characterised in that: the fuse
(15) it is respectively embedded into the vacuum A. C. contactor (16) and is set to the main power supply box (12) and the secondary power supply box (13)
In, and electrically connected between the fuse (15) and the vacuum A. C. contactor (16) by the access electric wire (18) of setting
It connects.
6. a kind of mining flameproof dual-power switching control box according to claim 1, it is characterised in that: the switching lock
Knife (19) insertion is set between the main power supply box (12) and the secondary power supply box (13), and the switching plug-in strip (19)
It is electrically connected with the intellectual monitoring device (20) by controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811569348.7A CN109462273A (en) | 2018-12-21 | 2018-12-21 | A kind of mining flameproof dual-power switching control box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811569348.7A CN109462273A (en) | 2018-12-21 | 2018-12-21 | A kind of mining flameproof dual-power switching control box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109462273A true CN109462273A (en) | 2019-03-12 |
Family
ID=65614123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811569348.7A Pending CN109462273A (en) | 2018-12-21 | 2018-12-21 | A kind of mining flameproof dual-power switching control box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109462273A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114821923A (en) * | 2022-04-05 | 2022-07-29 | 郑州电力职业技术学院 | Electrical system early warning control device applied to large road maintenance machinery |
| CN115133640A (en) * | 2021-03-29 | 2022-09-30 | 费籁电气(上海)有限公司 | Dual-power supply device applied to APF system |
| CN117317848A (en) * | 2023-09-25 | 2023-12-29 | 国网山东省电力公司东阿县供电公司 | Dual-power supply equipment box |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001275274A (en) * | 2000-03-27 | 2001-10-05 | Honda Motor Co Ltd | Generator system |
| CN102684295A (en) * | 2012-05-04 | 2012-09-19 | 济南嘉宏科技有限责任公司 | Mining flameproof dual-power switching control box |
| CN103206365A (en) * | 2013-03-06 | 2013-07-17 | 深圳市泰永电气科技有限公司 | Fire control system with power supply conversion and inspection functions |
| CN204721080U (en) * | 2015-06-02 | 2015-10-21 | 国网山东临朐县供电公司 | A kind of low-voltage electricity user duplicate supply control cabinet |
-
2018
- 2018-12-21 CN CN201811569348.7A patent/CN109462273A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001275274A (en) * | 2000-03-27 | 2001-10-05 | Honda Motor Co Ltd | Generator system |
| CN102684295A (en) * | 2012-05-04 | 2012-09-19 | 济南嘉宏科技有限责任公司 | Mining flameproof dual-power switching control box |
| CN103206365A (en) * | 2013-03-06 | 2013-07-17 | 深圳市泰永电气科技有限公司 | Fire control system with power supply conversion and inspection functions |
| CN204721080U (en) * | 2015-06-02 | 2015-10-21 | 国网山东临朐县供电公司 | A kind of low-voltage electricity user duplicate supply control cabinet |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115133640A (en) * | 2021-03-29 | 2022-09-30 | 费籁电气(上海)有限公司 | Dual-power supply device applied to APF system |
| CN114821923A (en) * | 2022-04-05 | 2022-07-29 | 郑州电力职业技术学院 | Electrical system early warning control device applied to large road maintenance machinery |
| CN114821923B (en) * | 2022-04-05 | 2023-09-29 | 郑州电力职业技术学院 | Electrical system early warning control device applied to large road maintenance machinery |
| CN117317848A (en) * | 2023-09-25 | 2023-12-29 | 国网山东省电力公司东阿县供电公司 | Dual-power supply equipment box |
| CN117317848B (en) * | 2023-09-25 | 2024-05-17 | 国网山东省电力公司东阿县供电公司 | Dual-power supply equipment box |
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